Pasăre (Romanian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pasăre" in Romanian language version.

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Louchart, A.; Viriot, L. (2011). „From snout to beak: the loss of teeth in birds”. Trends in Ecology & Evolution. 26 (12): 663–673. doi:10.1016/j.tree.2011.09.004. PMID 21978465. Arhivat din original la 28 iulie 2014.

adu.org.za

safring.adu.org.za

de Beer SJ, Lockwood GM, Raijmakers JHFS, Raijmakers JMH, Scott WA, Oschadleus HD, Underhill LG (2001). "SAFRING Bird Ringing Manual Arhivat în 19 octombrie 2017, la Wayback Machine.".

amnh.org

digitallibrary.amnh.org

Clarke, J.A. (2004). „Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)”. Bulletin of the American Museum of Natural History. 286: 1–179. doi:10.1206/0003-0090(2004)286<0001:mptaso>2.0.co;2.

archive.org

Norell, Mark; Mick Ellison (2005). Unearthing the Dragon: The Great Feathered Dinosaur Discovery. New York: Pi Press. ISBN 0-13-186266-9.
Wood G. (1982). The Guinness Book of Animal Facts and Feats. ISBN 978-0-85112-235-9.
Short, Lester L. (1993). Birds of the World and their Behavior. New York: Henry Holt and Co. ISBN 0-8050-1952-9.
Burton, R (1985). Bird Behavior. Alfred A. Knopf, Inc. ISBN 0-394-53957-5.

audubon.org

„What Are Fecal Sacs? Bird Diapers, Basically”. Audubon. 7 august 2018. Accesat în 17 ianuarie 2021.
"Will Wind Turbines Ever Be Safe for Birds?", by Emma Bryce, Audubon, US National Audubon Society, 16 March 2016. Accessed 19 March 2017.

bbc.co.uk

news.bbc.co.uk

Kinver, Mark (13 mai 2009). „Birds at risk reach record high”. BBC News Online. Accesat în 15 mai 2009.

bepress.com

works.bepress.com

Belthoff, James R.; Dufty; Gauthreaux (1 august 1994). „Plumage Variation, Plasma Steroids and Social Dominance in Male House Finches”. The Condor. 96 (3): 614–625. doi:10.2307/1369464. JSTOR 1369464.

bib-arch.org

Dorothy D. Resig, The Enduring Symbolism of Doves, From Ancient Icon to Biblical Mainstay" Arhivat în 31 ianuarie 2013, la Wayback Machine., BAR Magazine . Bib-arch.org (9 February 2013). Retrieved on 5 March 2013.

biodiversitylibrary.org

FARNER, DONALD S.; FOLLETT, BRIAN K.; KING, JAMESR.; MORTON, MARTIN L. (februarie 1966). „A Quantitative Examination of Ovarian Growth in the White-Crowned Sparrow”. The Biological Bulletin. 130 (1): 67–75. doi:10.2307/1539953. JSTOR 1539953. PMID 5948479.

biologists.org

jeb.biologists.org

Klaassen, Marc (1 ianuarie 1996). „Metabolic constraints on long-distance migration in birds”. Journal of Experimental Biology. 199 (1): 57–64. doi:10.1242/jeb.199.1.57. PMID 9317335.
Matthews, G.V.T. (1 septembrie 1953). „Navigation in the Manx Shearwater”. Journal of Experimental Biology. 30 (2): 370–396. doi:10.1242/jeb.30.3.370.
Mouritsen, Henrik; L (15 noiembrie 2001). „Migrating songbirds tested in computer-controlled Emlen funnels use stellar cues for a time-independent compass”. Journal of Experimental Biology. 204 (8): 3855–3865. doi:10.1242/jeb.204.22.3855. PMID 11807103.
Deutschlander, Mark E.; P; B (15 aprilie 1999). „The case for light-dependent magnetic orientation in animals”. Journal of Experimental Biology. 202 (8): 891–908. doi:10.1242/jeb.202.8.891. PMID 10085262.
Bäckman, Johan; A (1 aprilie 2002). „Harmonic oscillatory orientation relative to the wind in nocturnal roosting flights of the swift Apus apus”. The Journal of Experimental Biology. 205 (7): 905–910. doi:10.1242/jeb.205.7.905. PMID 11916987.

birdlife.org

„Long-distance Godwit sets new record”. BirdLife International. 4 mai 2007. Accesat în 13 decembrie 2007.
„BirdLife International announces more Critically Endangered birds than ever before”. BirdLife International. 14 mai 2009. Accesat în 15 mai 2009.
Butchart, S.; Stattersfield, A.; Collar, N (2006). „How many bird extinctions have we prevented?” (PDF). Oryx. 40 (3): 266–79. doi:10.1017/S0030605306000950 .

books.google.com

Kobayashi, Kazuya; Kitano, Takeshi; Iwao, Yasuhiro; Kondo, Mariko (1 iunie 2018). Reproductive and Developmental Strategies: The Continuity of Life (în engleză). Springer. p. 290. ISBN 978-4-431-56609-0.
Pettingill, Olin Sewall, Jr. (1985). Ornithology in Laboratory and Field. Fifth Edition. Orlando, FL: Academic Press. p. 11. ISBN 0-12-552455-2.
Pennycuick C. J. (1975). „Mechanics of flight”. Avian Biology. 5. Academic Press. pp. 37, 42, 70. ISBN 9781483269443.
Urfi, A.J. (2011). The Painted Stork: Ecology and Conservation. Springer Science & Business Media. p. 88. ISBN 978-1-4419-8468-5.
Botterweck, G. Johannes; Ringgren, Helmer (1990). Theological Dictionary of the Old Testament. VI. Grand Rapids, Michigan: Wm. B. Eerdmans Publishing Co. pp. 35–36. ISBN 0-8028-2330-0.
Lewis, Sian; Llewellyn-Jones, Lloyd (2018). The Culture of Animals in Antiquity: A Sourcebook with Commentaries. New York City, New York and London, England: Routledge. p. 335. ISBN 978-1-315-20160-3.
Cyrino, Monica S. (2010). Aphrodite. Gods and Heroes of the Ancient World. New York City, New York and London, England: Routledge. pp. 120–123. ISBN 978-0-415-77523-6.
Tinkle, Theresa (1996). Medieval Venuses and Cupids: Sexuality, Hermeneutics, and English Poetry. Stanford, California: Stanford University Press. p. 81. ISBN 978-0804725156.
Simon, Erika (1983). Festivals of Attica: An Archaeological Companion. Madison, WI: University of Wisconsin Press. ISBN 0-299-09184-8.
Deacy, Susan (2008). Athena. London and New York City: Routledge. pp. 34–37, 74–75. ISBN 978-0-415-30066-7.

britannica.com

Storer, Robert W. (2016). „Bird”. Enciclopedia Britannica.

cam.ac.uk

repository.cam.ac.uk

Field, Daniel J.; Benito, Juan; Chen, Albert; Jagt, John W. M.; Ksepka, Daniel T. (18 martie 2020). „Late Cretaceous neornithine from Europe illuminates the origins of crown birds”. Nature (în engleză). 579 (7799): 397–401. doi:10.1038/s41586-020-2096-0. ISSN 1476-4687.

cnrs.fr

cefe.cnrs.fr

Le Correa, M., Ollivier, A., Ribesc S., Jouventin, P., (2002). "Light-induced mortality of petrels: a 4-year study from Réunion Island (Indian Ocean)." Biological Conservation 105: 93–102 [1].

cosmosmagazine.com

archive.cosmosmagazine.com

Agency France-Presse (aprilie 2011). „Birds survived dino extinction with keen senses”. Cosmos Magazine. Arhivat din original la 2 aprilie 2015. Accesat în 11 iunie 2012.

csbsju.edu

employees.csbsju.edu

Guthrie, R. Dale. „How We Use and Show Our Social Organs”. Body Hot Spots: The Anatomy of Human Social Organs and Behavior. Arhivat din original la 21 iunie 2007. Accesat în 19 octombrie 2007.

doi.org

H Kuhl, C Frankl-Vilches, A Bakker, G Mayr, G Nikolaus, S T Boerno, S Klages, B Timmermann, M Gahr (2020) An unbiased molecular approach using 3'UTRs resolves the avian family-level tree of life. Molecular Biology and Evolution. https://doi.org/10.1093/molbev/msaa191
Cau, Andrea; Brougham, Tom; Naish, Darren (2015). „The phylogenetic affinities of the bizarre Late Cretaceous Romanian theropod Balaur bondoc(Dinosauria, Maniraptora): Dromaeosaurid or flightless bird?”. PeerJ. 3: e1032. doi:10.7717/peerj.1032. PMC 4476167 . PMID 26157616.
Prum, Richard O. Prum (19 decembrie 2008). „Who's Your Daddy?”. Science. 322 (5909): 1799–1800. doi:10.1126/science.1168808 . PMID 19095929.
Lee, Michael S.Y.; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (1 august 2014). „Sustained miniaturization and anatomical innovation in the dinosaurian ancestors of birds”. Science. 345 (6196): 562–566. Bibcode:2014Sci...345..562L. doi:10.1126/science.1252243. PMID 25082702.
Xing Xu; Hailu You; Kai Du; Fenglu Han (28 iulie 2011). „An Archaeopteryx-like theropod from China and the origin of Avialae”. Nature. 475 (7357): 465–470. doi:10.1038/nature10288. PMID 21796204.
Turner, Alan H.; Pol, D.; Clarke, J.A.; Erickson, G.M.; Norell, M.A. (7 septembrie 2007). „A basal dromaeosaurid and size evolution preceding avian flight” (PDF). Science. 317 (5843): 1378–1381. Bibcode:2007Sci...317.1378T. doi:10.1126/science.1144066 . PMID 17823350.
Xu, X; Zhou, Z; Wang, X; Kuang, X; Zhang, F; Du, X (23 ianuarie 2003). „Four-winged dinosaurs from China”. Nature. 421 (6921): 335–340. Bibcode:2003Natur.421..335X. doi:10.1038/nature01342. PMID 12540892.
Mayr, G.; Pohl, B.; Hartman, S.; Peters, D.S. (ianuarie 2007). „The tenth skeletal specimen of Archaeopteryx”. Zoological Journal of the Linnean Society. 149 (1): 97–116. doi:10.1111/j.1096-3642.2006.00245.x .
Benton, Michael J.; Dhouailly, Danielle; Jiang, Baoyu; McNamara, Maria (1 septembrie 2019). „The Early Origin of Feathers”. Trends in Ecology & Evolution (în engleză). 34 (9): 856–869. doi:10.1016/j.tree.2019.04.018. ISSN 0169-5347. PMID 31164250.
Pascal Godefroit; Andrea Cau; Hu Dong-Yu; François Escuillié; Wu Wenhao; Gareth Dyke (2013). „A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Nature. 498 (7454): 359–362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID 23719374.
Zheng, X.; Zhou, Z.; Wang, X.; Zhang, F.; Zhang, X.; Wang, Y.; Wei, G.; Wang, S.; Xu, X. (15 martie 2013). „Hind Wings in Basal Birds and the Evolution of Leg Feathers”. Science. 339 (6125): 1309–1312. Bibcode:2013Sci...339.1309Z. CiteSeerX 10.1.1.1031.5732 . doi:10.1126/science.1228753. PMID 23493711.
Pickrell, John (22 martie 2018). „Early birds may have been too hefty to sit on their eggs”. Nature. doi:10.1038/d41586-018-03447-3.
Wang, M.; Zheng, X.; O'Connor, J.K.; Lloyd, G.T.; Wang, X.; Wang, Y.; Zhang, X.; Zhou, Z. (2015). „The oldest record of ornithuromorpha from the early cretaceous of China”. Nature Communications. 6 (6987): 6987. Bibcode:2015NatCo...6.6987W. doi:10.1038/ncomms7987. PMC 5426517 . PMID 25942493.
Louchart, A.; Viriot, L. (2011). „From snout to beak: the loss of teeth in birds”. Trends in Ecology & Evolution. 26 (12): 663–673. doi:10.1016/j.tree.2011.09.004. PMID 21978465. Arhivat din original la 28 iulie 2014.
Clarke, J.A.; Zhou, Z.; Zhang, F. (martie 2006). „Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui”. Journal of Anatomy. 208 (3): 287–308. doi:10.1111/j.1469-7580.2006.00534.x. PMC 2100246 . PMID 16533313.
Mitchell, K.J.; Llamas, B.; Soubrier, J.; Rawlence, N.J.; Worthy, T.H.; Wood, J.; Lee, M.S.Y.; Cooper, A. (23 mai 2014). „Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution” (PDF). Science. 344 (6186): 898–900. Bibcode:2014Sci...344..898M. doi:10.1126/science.1251981. PMID 24855267.
Livezey, Bradley C.; Zusi, RL (ianuarie 2007). „Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes) based on comparative anatomy. II. Analysis and discussion”. Zoological Journal of the Linnean Society. 149 (1): 1–95. doi:10.1111/j.1096-3642.2006.00293.x. PMC 2517308 . PMID 18784798.
„Welcome”. IOC World Bird List 9.2. doi:10.14344/ioc.ml.9.2.
Clarke, Julia A.; Tambussi, Claudia P.; Noriega, Jorge I.; Erickson, Gregory M.; Ketcham, Richard A. (ianuarie 2005). „Definitive fossil evidence for the extant avian radiation in the Cretaceous”. Nature. 433 (7023): 305–308. Bibcode:2005Natur.433..305C. doi:10.1038/nature03150. PMID 15662422.
Clarke, J.A. (2004). „Morphology, phylogenetic taxonomy, and systematics of Ichthyornis and Apatornis (Avialae: Ornithurae)”. Bulletin of the American Museum of Natural History. 286: 1–179. doi:10.1206/0003-0090(2004)286<0001:mptaso>2.0.co;2.
Field, Daniel J.; Benito, Juan; Chen, Albert; Jagt, John W. M.; Ksepka, Daniel T. (18 martie 2020). „Late Cretaceous neornithine from Europe illuminates the origins of crown birds”. Nature (în engleză). 579 (7799): 397–401. doi:10.1038/s41586-020-2096-0. ISSN 1476-4687.
Lee, Michael SY; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (mai 2014). „Morphological Clocks in Paleontology, and a Mid-Cretaceous Origin of Crown Aves” (PDF). Systematic Biology. Oxford Journals. 63 (1): 442–449. doi:10.1093/sysbio/syt110 . PMID 24449041.
Prum, R.O.; et al. (2015). „A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing”. Nature. 526 (7574): 569–573. Bibcode:2015Natur.526..569P. doi:10.1038/nature15697. PMID 26444237.
Ericson, Per G.P.; et al. (2006). „Diversification of Neoaves: integration of molecular sequence data and fossils” (PDF). Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. PMC 1834003 . PMID 17148284. Arhivat din original (PDF) la 25 martie 2009. Accesat în 4 iulie 2008.
Brown, Joseph W.; Payne, RB; Mindell, DP (iunie 2007). „Nuclear DNA does not reconcile 'rocks' and 'clocks' in Neoaves: a comment on Ericson et al”. Biology Letters. 3 (3): 257–259. doi:10.1098/rsbl.2006.0611. PMC 2464679 . PMID 17389215.
Claramunt, S.; Cracraft, J. (2015). „A new time tree reveals Earth history's imprint on the evolution of modern birds”. Sci Adv. 1 (11): e1501005. Bibcode:2015SciA....1E1005C. doi:10.1126/sciadv.1501005. PMC 4730849 . PMID 26824065.
Braun, E.L. & Kimball, R.T. (2021) Data types and the phylogeny of Neoaves. Birds, 2(1), 1-22; https://doi.org/10.3390/birds2010001
Jarvis, E.D.; et al. (2014). „Whole-genome analyses resolve early branches in the tree of life of modern birds”. Science. 346 (6215): 1320–1331. Bibcode:2014Sci...346.1320J. doi:10.1126/science.1253451. PMC 4405904 . PMID 25504713.
Sasanami, Tomohiro; Matsuzaki, Mei; Mizushima, Shusei; Hiyama, Gen (2013). „Sperm Storage in the Female Reproductive Tract in Birds”. Journal of Reproduction and Development (în engleză). 59 (4): 334–338. doi:10.1262/jrd.2013-038. ISSN 0916-8818. PMC 3944358 . PMID 23965601.
Birkhead, T.R.; Møller, P. (1993). „Sexual selection and the temporal separation of reproductive events: sperm storage data from reptiles, birds and mammals”. Biological Journal of the Linnean Society. 50 (4): 295–311. doi:10.1111/j.1095-8312.1993.tb00933.x.
Guioli, Silvana; Nandi, Sunil; Zhao, Debiao; Burgess-Shannon, Jessica; Lovell-Badge, Robin; Clinton, Michael (2014). „Gonadal Asymmetry and Sex Determination in Birds”. Sexual Development (în engleză). 8 (5): 227–242. doi:10.1159/000358406 . ISSN 1661-5433. PMID 24577119.
Dawson, Alistair (aprilie 2015). „Annual gonadal cycles in birds: Modeling the effects of photoperiod on seasonal changes in GnRH-1 secretion”. Frontiers in Neuroendocrinology. 37: 52–64. doi:10.1016/j.yfrne.2014.08.004 . PMID 25194876.
FARNER, DONALD S.; FOLLETT, BRIAN K.; KING, JAMESR.; MORTON, MARTIN L. (februarie 1966). „A Quantitative Examination of Ovarian Growth in the White-Crowned Sparrow”. The Biological Bulletin. 130 (1): 67–75. doi:10.2307/1539953. JSTOR 1539953. PMID 5948479.
Maina, John N. (noiembrie 2006). „Development, structure, and function of a novel respiratory organ, the lung-air sac system of birds: to go where no other vertebrate has gone”. Biological Reviews. 81 (4): 545–579. doi:10.1017/S1464793106007111. PMID 17038201.
Fitch, W.T. (1999). „Acoustic exaggeration of size in birds via tracheal elongation: comparative and theoretical analyses”. Journal of Zoology. 248: 31–48. doi:10.1017/S095283699900504X.
Lequette, Benoit; Verheyden; Jouventin (1 august 1989). „Olfaction in Subantarctic seabirds: Its phylogenetic and ecological significance” (PDF). The Condor. 91 (3): 732–735. doi:10.2307/1368131. JSTOR 1368131. Arhivat din original (PDF) la 25 decembrie 2013.
Wilkie, Susan E.; Vissers, PM; Das, D; Degrip, WJ; Bowmaker, JK; Hunt, DM (februarie 1998). „The molecular basis for UV vision in birds: spectral characteristics, cDNA sequence and retinal localization of the UV-sensitive visual pigment of the budgerigar (Melopsittacus undulatus)”. Biochemical Journal. 330 (Pt 1): 541–547. doi:10.1042/bj3300541. PMC 1219171 . PMID 9461554.
Andersson, S.; J. Ornborg; M. Andersson (1998). „Ultraviolet sexual dimorphism and assortative mating in blue tits”. Proceedings of the Royal Society B. 265 (1395): 445–450. doi:10.1098/rspb.1998.0315. PMC 1688915 .
Viitala, Jussi; Korplmäki, Erkki; Palokangas, Pälvl; Koivula, Minna (1995). „Attraction of kestrels to vole scent marks visible in ultraviolet light”. Nature. 373 (6513): 425–427. Bibcode:1995Natur.373..425V. doi:10.1038/373425a0.
Williams, David L.; Flach, E (martie 2003). „Symblepharon with aberrant protrusion of the nictitating membrane in the snowy owl (Nyctea scandiaca)”. Veterinary Ophthalmology. 6 (1): 11–13. doi:10.1046/j.1463-5224.2003.00250.x. PMID 12641836.
Land, M. F. (2014). „Eye movements of vertebrates and their relation to eye form and function”. Journal of Comparative Physiology A. 201 (2): 195–214. doi:10.1007/s00359-014-0964-5. PMID 25398576.
Martin, Graham R.; Katzir, G (1999). „Visual fields in Short-toed Eagles, Circaetus gallicus (Accipitridae), and the function of binocularity in birds”. Brain, Behavior and Evolution. 53 (2): 55–66. doi:10.1159/000006582. PMID 9933782.
Saito, Nozomu (1978). „Physiology and anatomy of avian ear”. The Journal of the Acoustical Society of America. 64 (S1): S3. Bibcode:1978ASAJ...64....3S. doi:10.1121/1.2004193.
Belthoff, James R.; Dufty; Gauthreaux (1 august 1994). „Plumage Variation, Plasma Steroids and Social Dominance in Male House Finches”. The Condor. 96 (3): 614–625. doi:10.2307/1369464. JSTOR 1369464.
Humphrey, Philip S.; Parkes, K.C. (1 iunie 1959). „An approach to the study of molts and plumages” (PDF). The Auk. 76 (1): 1–31. doi:10.2307/4081839. JSTOR 4081839.
Turner, J. Scott (1997). „On the thermal capacity of a bird's egg warmed by a brood patch”. Physiological Zoology. 70 (4): 470–480. doi:10.1086/515854. PMID 9237308.
Walther, Bruno A. (2005). „Elaborate ornaments are costly to maintain: evidence for high maintenance handicaps”. Behavioral Ecology. 16 (1): 89–95. doi:10.1093/beheco/arh135 .
Shawkey, Matthew D.; Pillai, Shreekumar R.; Hill, Geoffrey E. (2003). „Chemical warfare? Effects of uropygial oil on feather-degrading bacteria”. Journal of Avian Biology. 34 (4): 345–349. doi:10.1111/j.0908-8857.2003.03193.x.
McNab, Brian K. (octombrie 1994). „Energy Conservation and the Evolution of Flightlessness in Birds”. The American Naturalist. 144 (4): 628–642. doi:10.1086/285697. JSTOR 2462941.
Kovacs, Christopher E.; Meyers, RA (2000). „Anatomy and histochemistry of flight muscles in a wing-propelled diving bird, the Atlantic Puffin, Fratercula arctica”. Journal of Morphology. 244 (2): 109–125. doi:10.1002/(SICI)1097-4687(200005)244:2<109::AID-JMOR2>3.0.CO;2-0. PMID 10761049.
James P. Gionfriddo; Louis B. Best (1995). Grit Use by House Sparrows: Effects of Diet and Grit Size (PDF). 97. Condor. p. 57–67. doi:10.2307/1368983. Arhivat din original (PDF) la 25 martie 2009. Accesat în 25 august 2021.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (ianuarie 2000). „Empirical evidence for differential organ reductions during trans-oceanic bird flight”. Proceedings of the Royal Society B. 267 (1439): 191–195. doi:10.1098/rspb.2000.0986. PMC 1690512 . PMID 10687826. (Erratum in Proceedings of the Royal Society B 267(1461):2567.)
Tsahar, Ella; Martínez Del Rio, C; Izhaki, I; Arad, Z (2005). „Can birds be ammonotelic? Nitrogen balance and excretion in two frugivores”. Journal of Experimental Biology. 208 (6): 1025–1034. doi:10.1242/jeb.01495 . PMID 15767304.
Skadhauge, E; Erlwanger, KH; Ruziwa, SD; Dantzer, V; Elbrønd, VS; Chamunorwa, JP (2003). „Does the ostrich (Struthio camelus) coprodeum have the electrophysiological properties and microstructure of other birds?”. Comparative Biochemistry and Physiology A. 134 (4): 749–755. doi:10.1016/S1095-6433(03)00006-0. PMID 12814783.
Preest, Marion R.; Beuchat, Carol A. (aprilie 1997). „Ammonia excretion by hummingbirds”. Nature. 386 (6625): 561–562. Bibcode:1997Natur.386..561P. doi:10.1038/386561a0.
Mora, J.; Martuscelli, J; Ortiz Pineda, J; Soberon, G (1965). „The regulation of urea-biosynthesis enzymes in vertebrates”. Biochemical Journal. 96 (1): 28–35. doi:10.1042/bj0960028. PMC 1206904 . PMID 14343146.
Packard, Gary C. (1966). „The Influence of Ambient Temperature and Aridity on Modes of Reproduction and Excretion of Amniote Vertebrates”. The American Naturalist. 100 (916): 667–682. doi:10.1086/282459. JSTOR 2459303.
Robert, Michel; McNeil, Raymond; Leduc, Alain (ianuarie 1989). „Conditions and significance of night feeding in shorebirds and other water birds in a tropical lagoon” (PDF). The Auk. 106 (1): 94–101. doi:10.2307/4087761. JSTOR 4087761. Arhivat din original (PDF) la 4 octombrie 2014.
Gionfriddo, James P.; Best (1 februarie 1995). „Grit Use by House Sparrows: Effects of Diet and Grit Size” (PDF). Condor. 97 (1): 57–67. doi:10.2307/1368983. JSTOR 1368983.
Hagey, Lee R.; Vidal, Nicolas; Hofmann, Alan F.; Krasowski, Matthew D. (2010). „Complex Evolution of Bile Salts in Birds”. Bio One. 127 (4): 820–831. doi:10.1525/auk.2010.09155. PMC 2990222 . PMID 21113274.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (ianuarie 2000). „Empirical evidence for differential organ reductions during trans-oceanic bird flight”. Proceedings of the Royal Society B. 267 (1439): 191–195. doi:10.1098/rspb.2000.0986. PMC 1690512 . PMID 10687826. (Erratum in Proceedings of the Royal Society B 267(1461):2567.)
Nyffeler, M.; Șekercioğlu, Ç.H.; Whelan, C.J. (august 2018). „Insectivorous birds consume an estimated 400–500 million tons of prey annually”. The Science of Nature. 105 (7–8): 47. Bibcode:2018SciNa.105...47N. doi:10.1007/s00114-018-1571-z. PMID 29987431.
Paton, D.C.; Collins, B.G. (1 aprilie 1989). „Bills and tongues of nectar-feeding birds: A review of morphology, function, and performance, with intercontinental comparisons”. Australian Journal of Ecology. 14 (4): 473–506. doi:10.1111/j.1442-9993.1989.tb01457.x.
Baker, Myron Charles; Baker, Ann Eileen Miller (1 aprilie 1973). „Niche Relationships Among Six Species of Shorebirds on Their Wintering and Breeding Ranges”. Ecological Monographs. 43 (2): 193–212. doi:10.2307/1942194. JSTOR 1942194.
Cherel, Yves; Bocher, P; De Broyer, C; Hobson, KA (2002). „Food and feeding ecology of the sympatric thin-billed Pachyptila belcheri and Antarctic P. desolata prions at Iles Kerguelen, Southern Indian Ocean”. Marine Ecology Progress Series. 228: 263–281. Bibcode:2002MEPS..228..263C. doi:10.3354/meps228263 .
Jenkin, Penelope M. (1957). „The Filter-Feeding and Food of Flamingoes (Phoenicopteri)”. Philosophical Transactions of the Royal Society B. 240 (674): 401–493. Bibcode:1957RSPTB.240..401J. doi:10.1098/rstb.1957.0004. JSTOR 92549.
Takahashi, Akinori; Kuroki, Maki; Niizuma, Yasuaki; Watanuki, Yutaka (decembrie 1999). „Parental Food Provisioning Is Unrelated to Manipulated Offspring Food Demand in a Nocturnal Single-Provisioning Alcid, the Rhinoceros Auklet”. Journal of Avian Biology. 30 (4): 486. doi:10.2307/3677021. JSTOR 3677021.
Bélisle, Marc; Giroux (1 august 1995). „Predation and kleptoparasitism by migrating Parasitic Jaegers” (PDF). The Condor. 97 (3): 771–781. doi:10.2307/1369185. JSTOR 1369185.
Vickery, J. A. (mai 1994). „The Kleptoparasitic Interactions between Great Frigatebirds and Masked Boobies on Henderson Island, South Pacific”. The Condor. 96 (2): 331–340. doi:10.2307/1369318. JSTOR 1369318.
Hiraldo, F.C.; Blanco, J.C.; Bustamante, J. (1991). „Unspecialized exploitation of small carcasses by birds”. Bird Studies. 38 (3): 200–207. doi:10.1080/00063659109477089.
Masoero, Giulia; Morosinotto, Chiara; Laaksonen, Toni; Korpimäki, Erkki (14 septembrie 2018). „Food hoarding of an avian predator: sex- and age-related differences under fluctuating food conditions”. Behavioral Ecology and Sociobiology. 72 (10): 159. doi:10.1007/s00265-018-2571-x.
Mario, Principato; Federica, Lisi; Iolanda, Moretta; Nada, Samra; Francesco, Puccetti (2005). „The alterations of plumage of parasitic origin”. Italian Journal of Animal Science. 4 (3): 296–299. doi:10.4081/ijas.2005.296 .
Revis, Hannah C.; Waller, Deborah A. (2004). „Bactericidal and fungicidal activity of ant chemicals on feather parasites: an evaluation of anting behavior as a method of self-medication in songbirds”. The Auk. 121 (4): 1262–1268. doi:10.1642/0004-8038(2004)121[1262:BAFAOA]2.0.CO;2.
Clayton, Dale H.; Koop, Jennifer A.H.; Harbison, Christopher W.; Moyer, Brett R.; Bush, Sarah E. (2010). „How Birds Combat Ectoparasites”. The Open Ornithology Journal. 3: 41–71. doi:10.2174/1874453201003010041 .
Klaassen, Marc (1 ianuarie 1996). „Metabolic constraints on long-distance migration in birds”. Journal of Experimental Biology. 199 (1): 57–64. doi:10.1242/jeb.199.1.57. PMID 9317335.
Shaffer, Scott A.; et al. (2006). „Migratory shearwaters integrate oceanic resources across the Pacific Ocean in an endless summer”. Proceedings of the National Academy of Sciences of the United States of America. 103 (34): 12799–12802. Bibcode:2006PNAS..10312799S. doi:10.1073/pnas.0603715103 . PMC 1568927 . PMID 16908846.
Croxall, John P.; Silk, JR; Phillips, RA; Afanasyev, V; Briggs, DR (2005). „Global Circumnavigations: Tracking year-round ranges of nonbreeding Albatrosses”. Science. 307 (5707): 249–250. Bibcode:2005Sci...307..249C. doi:10.1126/science.1106042. PMID 15653503.
Nilsson, Anna L.K.; Alerstam, Thomas; Nilsson, Jan-Åke (2006). „Do partial and regular migrants differ in their responses to weather?”. The Auk. 123 (2): 537–547. doi:10.1642/0004-8038(2006)123[537:DPARMD]2.0.CO;2.
Chan, Ken (2001). „Partial migration in Australian landbirds: a review”. Emu. 101 (4): 281–292. doi:10.1071/MU00034.
Matthews, G.V.T. (1 septembrie 1953). „Navigation in the Manx Shearwater”. Journal of Experimental Biology. 30 (2): 370–396. doi:10.1242/jeb.30.3.370.
Mouritsen, Henrik; L (15 noiembrie 2001). „Migrating songbirds tested in computer-controlled Emlen funnels use stellar cues for a time-independent compass”. Journal of Experimental Biology. 204 (8): 3855–3865. doi:10.1242/jeb.204.22.3855. PMID 11807103.
Deutschlander, Mark E.; P; B (15 aprilie 1999). „The case for light-dependent magnetic orientation in animals”. Journal of Experimental Biology. 202 (8): 891–908. doi:10.1242/jeb.202.8.891. PMID 10085262.
Thomas, Betsy Trent; Strahl (1 august 1990). „Nesting Behavior of Sunbitterns (Eurypyga helias) in Venezuela” (PDF). The Condor. 92 (3): 576–581. doi:10.2307/1368675. JSTOR 1368675. Arhivat din original (PDF) la 5 martie 2016.
Pruett-Jones, S.G.; Pruett-Jones (1 mai 1990). „Sexual Selection Through Female Choice in Lawes' Parotia, A Lek-Mating Bird of Paradise”. Evolution. 44 (3): 486–501. doi:10.2307/2409431. JSTOR 2409431. PMID 28567971.
Suthers, Roderick A.; Sue Anne Zollinger (iunie 2004). „Producing song: the vocal apparatus”. Ann. N.Y. Acad. Sci. 1016 (1): 109–129. Bibcode:2004NYASA1016..109S. doi:10.1196/annals.1298.041. PMID 15313772.
Genevois, F.; Bretagnolle, V. (1994). „Male Blue Petrels reveal their body mass when calling”. Ethology Ecology and Evolution. 6 (3): 377–383. doi:10.1080/08927014.1994.9522988. Arhivat din original la 24 decembrie 2007.
Jouventin, Pierre; Aubin, T; Lengagne, T (iunie 1999). „Finding a parent in a king penguin colony: the acoustic system of individual recognition”. Animal Behaviour. 57 (6): 1175–1183. doi:10.1006/anbe.1999.1086. PMID 10373249.
Templeton, Christopher N.; Greene, E; Davis, K (2005). „Allometry of Alarm Calls: Black-Capped Chickadees Encode Information About Predator Size”. Science. 308 (5730): 1934–1937. Bibcode:2005Sci...308.1934T. doi:10.1126/science.1108841. PMID 15976305.
Dodenhoff, Danielle J.; Stark, Robert D.; Johnson, Eric V. (2001). „Do woodpecker drums encode information for species recognition?”. The Condor. 103 (1): 143. doi:10.1650/0010-5422(2001)103[0143:DWDEIF]2.0.CO;2. ISSN 0010-5422.
Murphy, Stephen; Legge, Sarah; Heinsohn, Robert (2003). „The breeding biology of palm cockatoos (Probosciger aterrimus): a case of a slow life history”. Journal of Zoology. 261 (4): 327–339. doi:10.1017/S0952836903004175.
Freed, Leonard A. (1987). „The Long-Term Pair Bond of Tropical House Wrens: Advantage or Constraint?”. The American Naturalist. 130 (4): 507–525. doi:10.1086/284728.
Gowaty, Patricia A. (1983). „Male Parental Care and Apparent Monogamy among Eastern Bluebirds (Sialia sialis)”. The American Naturalist. 121 (2): 149–160. doi:10.1086/284047.
Westneat, David F.; Stewart, Ian R.K. (2003). „Extra-pair paternity in birds: Causes, correlates, and conflict”. Annual Review of Ecology, Evolution, and Systematics. 34: 365–396. doi:10.1146/annurev.ecolsys.34.011802.132439.
Sheldon, B (1994). „Male Phenotype, Fertility, and the Pursuit of Extra-Pair Copulations by Female Birds”. Proceedings of the Royal Society B. 257 (1348): 25–30. Bibcode:1994RSPSB.257...25S. doi:10.1098/rspb.1994.0089.
Schamel, D; Tracy, Diane M.; Lank, David B.; Westneat, David F. (2004). „Mate guarding, copulation strategies and paternity in the sex-role reversed, socially polyandrous red-necked phalarope Phalaropus lobatus”. Behavioral Ecology and Sociobiology. 57 (2): 110–118. doi:10.1007/s00265-004-0825-2.
MacFarlane, Geoff R.; Blomberg, Simon P.; Kaplan, Gisela; Rogers, Lesley J. (1 ianuarie 2007). „Same-sex sexual behavior in birds: expression is related to social mating system and state of development at hatching”. Behavioral Ecology (în engleză). 18 (1): 21–33. doi:10.1093/beheco/arl065. ISSN 1045-2249.
Kokko, H; Harris, M; Wanless, S (2004). „Competition for breeding sites and site-dependent population regulation in a highly colonial seabird, the common guillemot Uria aalge”. Journal of Animal Ecology. 73 (2): 367–376. doi:10.1111/j.0021-8790.2004.00813.x.
Booker, L; Booker, M (1991). „Why Are Cuckoos Host Specific?”. Oikos. 57 (3): 301–309. doi:10.2307/3565958. JSTOR 3565958.
Lafuma, L; Lambrechts, M; Raymond, M (2001). „Aromatic plants in bird nests as a protection against blood-sucking flying insects?”. Behavioural Processes. 56 (2): 113–120. doi:10.1016/S0376-6357(01)00191-7. PMID 11672937.
Ekman, J (2006). „Family living amongst birds”. Journal of Avian Biology. 37 (4): 289–298. doi:10.1111/j.2006.0908-8857.03666.x.
Cockburn, Andrew (2006). „Prevalence of different modes of parental care in birds”. Proceedings of the Royal Society B. 273 (1592): 1375–1383. doi:10.1098/rspb.2005.3458. PMC 1560291 . PMID 16777726.
Schaefer, HC; Eshiamwata, GW; Munyekenye, FB; Böhning-Gaese, K (2004). „Life-history of two African Sylvia warblers: low annual fecundity and long post-fledging care”. Ibis. 146 (3): 427–437. doi:10.1111/j.1474-919X.2004.00276.x.
Alonso, JC; Bautista, LM; Alonso, JA (2004). „Family-based territoriality vs flocking in wintering common cranes Grus grus”. Journal of Avian Biology. 35 (5): 434–444. doi:10.1111/j.0908-8857.2004.03290.x.
Sorenson, M (1997). „Effects of intra- and interspecific brood parasitism on a precocial host, the canvasback, Aythya valisineria”. Behavioral Ecology. 8 (2): 153–161. doi:10.1093/beheco/8.2.153 .
Spottiswoode, C.N.; Colebrook-Robjent, J.F.R. (2007). „Egg puncturing by the brood parasitic Greater Honeyguide and potential host counteradaptations”. Behavioral Ecology. 18 (4): 792–799. doi:10.1093/beheco/arm025 .
Edwards, DB (2012). „Immune investment is explained by sexual selection and pace-of-life, but not longevity in parrots (Psittaciformes)”. PLOS ONE. 7 (12): e53066. Bibcode:2012PLoSO...753066E. doi:10.1371/journal.pone.0053066 . PMC 3531452 . PMID 23300862.
Gauthier-Clerc, Michael; Tamisier, Alain; Cézilly, Frank (2000). „Sleep-Vigilance Trade-off in Gadwall during the Winter Period” (PDF). The Condor. 102 (2): 307–313. doi:10.1650/0010-5422(2000)102[0307:SVTOIG]2.0.CO;2. JSTOR 1369642. Arhivat din original (PDF) la 27 decembrie 2004.
Bäckman, Johan; A (1 aprilie 2002). „Harmonic oscillatory orientation relative to the wind in nocturnal roosting flights of the swift Apus apus”. The Journal of Experimental Biology. 205 (7): 905–910. doi:10.1242/jeb.205.7.905. PMID 11916987.
Milius, S. (6 februarie 1999). „Half-asleep birds choose which half dozes”. Science News Online. 155 (6): 86. doi:10.2307/4011301. JSTOR 4011301.
Buckley, F.G.; Buckley (1 ianuarie 1968). „Upside-down Resting by Young Green-Rumped Parrotlets (Forpus passerinus)”. The Condor. 70 (1): 89. doi:10.2307/1366517. JSTOR 1366517.
Dean, W. R. J.; Siegfried, W. ROY; MacDonald, I. A. W. (1990). „The Fallacy, Fact, and Fate of Guiding Behavior in the Greater Honeyguide”. Conservation Biology. 4: 99–101. doi:10.1111/j.1523-1739.1990.tb00272.x.
Singer, R.; Yom-Tov, Y. (1988). „The Breeding Biology of the House Sparrow Passer domesticus in Israel”. Ornis Scandinavica. 19 (2): 139–144. doi:10.2307/3676463. JSTOR 3676463.
Richard Dolbeer (1990). „Ornithology and integrated pest management: Red-winged blackbirds Agleaius phoeniceus and corn”. Ibis. 132 (2): 309–322. doi:10.1111/j.1474-919X.1990.tb01048.x.
Simeone, A.; Navarro, X. (2002). „Human exploitation of seabirds in coastal southern Chile during the mid-Holocene”. Rev. Chil. Hist. Nat. 75 (2): 423–431. doi:10.4067/S0716-078X2002000200012 .
Cooney, R.; Jepson, P (2006). „The international wild bird trade: what's wrong with blanket bans?”. Oryx. 40 (1): 18–23. doi:10.1017/S0030605306000056 .
Manzi, M; Coomes, O.T. (2002). „Cormorant fishing in Southwestern China: a Traditional Fishery under Siege. (Geographical Field Note)”. Geographical Review. 92 (4): 597–603. doi:10.2307/4140937. JSTOR 4140937.
Chamberlain, D.E.; Vickery, J.A.; Glue, D.E.; Robinson, R.A.; Conway, G.J.; Woodburn, R.J.W.; Cannon, A.R. (2005). „Annual and seasonal trends in the use of garden feeders by birds in winter”. Ibis. 147 (3): 563–575. doi:10.1111/j.1474-919x.2005.00430.x.
Routledge, S.; Routledge, K. (1917). „The Bird Cult of Easter Island”. Folklore. 28 (4): 337–355. doi:10.1080/0015587X.1917.9719006.
Hauser, A.J. (1985). „Jonah: In Pursuit of the Dove”. Journal of Biblical Literature. 104 (1): 21–37. doi:10.2307/3260591. JSTOR 3260591.
Thankappan Nair, P. (1974). „The Peacock Cult in Asia”. Asian Folklore Studies. 33 (2): 93–170. doi:10.2307/1177550. JSTOR 1177550.
Clarke, CP (1908). „A Pedestal of the Platform of the Peacock Throne”. The Metropolitan Museum of Art Bulletin. 3 (10): 182–183. doi:10.2307/3252550. JSTOR 3252550.
Boime, Albert (1999). „John James Audubon: a birdwatcher's fanciful flights”. Art History. 22 (5): 728–755. doi:10.1111/1467-8365.00184.
Lasky, E.D. (martie 1992). „A Modern Day Albatross: The Valdez and Some of Life's Other Spills”. The English Journal. 81 (3): 44–46. doi:10.2307/820195. JSTOR 820195.
Brothers, N.P. (1991). „Albatross mortality and associated bait loss in the Japanese longline fishery in the southern ocean”. Biological Conservation. 55 (3): 255–268. doi:10.1016/0006-3207(91)90031-4.
Wurster, D.; Wurster, C.; Strickland, W. (iulie 1965). „Bird Mortality Following DDT Spray for Dutch Elm Disease”. Ecology. 46 (4): 488–499. doi:10.2307/1934880. JSTOR 1934880. ; Wurster, C.F.; Wurster, D.H.; Strickland, W.N. (1965). „Bird Mortality after Spraying for Dutch Elm Disease with DDT”. Science. 148 (3666): 90–91. Bibcode:1965Sci...148...90W. doi:10.1126/science.148.3666.90. PMID 14258730.
Blackburn, T; Cassey, P; Duncan, R; Evans, K; Gaston, K (24 septembrie 2004). „Avian Extinction and Mammalian Introductions on Oceanic Islands”. Science. 305 (5692): 1955–1958. Bibcode:2004Sci...305.1955B. doi:10.1126/science.1101617. PMID 15448269.
Butchart, S.; Stattersfield, A.; Collar, N (2006). „How many bird extinctions have we prevented?” (PDF). Oryx. 40 (3): 266–79. doi:10.1017/S0030605306000950 .

earth-policy.org

Brown, Lester (2005). „3: Moving Up the Food Chain Efficiently.”. Outgrowing the Earth: The Food Security Challenge in an Age of Falling Water Tables and Rising Temperatures. earthscan. ISBN 978-1-84407-185-2.

eku.edu

people.eku.edu

Ritchison, Gary. „Bird biogeography”. Avian Biology. Eastern Kentucky University. Accesat în 10 aprilie 2008.

excite.com

apnews.excite.com

Borenstein, Seth (31 iulie 2014). „Study traces dinosaur evolution into early birds”. Associated Press. Arhivat din original la 8 august 2014. Accesat în 3 august 2014.

fernbank.edu

fsc.fernbank.edu

„Skeleton of a typical bird”. Fernbank Science Center's Ornithology Web. Accesat în 13 decembrie 2007.

flinders.edu.au

dspace.flinders.edu.au

Mitchell, K.J.; Llamas, B.; Soubrier, J.; Rawlence, N.J.; Worthy, T.H.; Wood, J.; Lee, M.S.Y.; Cooper, A. (23 mai 2014). „Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution” (PDF). Science. 344 (6186): 898–900. Bibcode:2014Sci...344..898M. doi:10.1126/science.1251981. PMID 24855267.

ghostarchive.org

Boyd, John (2007). „NEORNITHES: 46 Orders” (PDF). John Boyd's website. Arhivat din original (PDF) la 9 octombrie 2022. Accesat în 30 decembrie 2017.

google.ro

books.google.ro

Ильичев, В.Д. Ornitologie generală (în rusă).

harvard.edu

adsabs.harvard.edu

Lee, Michael S.Y.; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (1 august 2014). „Sustained miniaturization and anatomical innovation in the dinosaurian ancestors of birds”. Science. 345 (6196): 562–566. Bibcode:2014Sci...345..562L. doi:10.1126/science.1252243. PMID 25082702.
Turner, Alan H.; Pol, D.; Clarke, J.A.; Erickson, G.M.; Norell, M.A. (7 septembrie 2007). „A basal dromaeosaurid and size evolution preceding avian flight” (PDF). Science. 317 (5843): 1378–1381. Bibcode:2007Sci...317.1378T. doi:10.1126/science.1144066 . PMID 17823350.
Xu, X; Zhou, Z; Wang, X; Kuang, X; Zhang, F; Du, X (23 ianuarie 2003). „Four-winged dinosaurs from China”. Nature. 421 (6921): 335–340. Bibcode:2003Natur.421..335X. doi:10.1038/nature01342. PMID 12540892.
Pascal Godefroit; Andrea Cau; Hu Dong-Yu; François Escuillié; Wu Wenhao; Gareth Dyke (2013). „A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Nature. 498 (7454): 359–362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID 23719374.
Zheng, X.; Zhou, Z.; Wang, X.; Zhang, F.; Zhang, X.; Wang, Y.; Wei, G.; Wang, S.; Xu, X. (15 martie 2013). „Hind Wings in Basal Birds and the Evolution of Leg Feathers”. Science. 339 (6125): 1309–1312. Bibcode:2013Sci...339.1309Z. CiteSeerX 10.1.1.1031.5732 . doi:10.1126/science.1228753. PMID 23493711.
Wang, M.; Zheng, X.; O'Connor, J.K.; Lloyd, G.T.; Wang, X.; Wang, Y.; Zhang, X.; Zhou, Z. (2015). „The oldest record of ornithuromorpha from the early cretaceous of China”. Nature Communications. 6 (6987): 6987. Bibcode:2015NatCo...6.6987W. doi:10.1038/ncomms7987. PMC 5426517 . PMID 25942493.
Mitchell, K.J.; Llamas, B.; Soubrier, J.; Rawlence, N.J.; Worthy, T.H.; Wood, J.; Lee, M.S.Y.; Cooper, A. (23 mai 2014). „Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution” (PDF). Science. 344 (6186): 898–900. Bibcode:2014Sci...344..898M. doi:10.1126/science.1251981. PMID 24855267.
Clarke, Julia A.; Tambussi, Claudia P.; Noriega, Jorge I.; Erickson, Gregory M.; Ketcham, Richard A. (ianuarie 2005). „Definitive fossil evidence for the extant avian radiation in the Cretaceous”. Nature. 433 (7023): 305–308. Bibcode:2005Natur.433..305C. doi:10.1038/nature03150. PMID 15662422.
Prum, R.O.; et al. (2015). „A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing”. Nature. 526 (7574): 569–573. Bibcode:2015Natur.526..569P. doi:10.1038/nature15697. PMID 26444237.
Claramunt, S.; Cracraft, J. (2015). „A new time tree reveals Earth history's imprint on the evolution of modern birds”. Sci Adv. 1 (11): e1501005. Bibcode:2015SciA....1E1005C. doi:10.1126/sciadv.1501005. PMC 4730849 . PMID 26824065.
Jarvis, E.D.; et al. (2014). „Whole-genome analyses resolve early branches in the tree of life of modern birds”. Science. 346 (6215): 1320–1331. Bibcode:2014Sci...346.1320J. doi:10.1126/science.1253451. PMC 4405904 . PMID 25504713.
Viitala, Jussi; Korplmäki, Erkki; Palokangas, Pälvl; Koivula, Minna (1995). „Attraction of kestrels to vole scent marks visible in ultraviolet light”. Nature. 373 (6513): 425–427. Bibcode:1995Natur.373..425V. doi:10.1038/373425a0.
Saito, Nozomu (1978). „Physiology and anatomy of avian ear”. The Journal of the Acoustical Society of America. 64 (S1): S3. Bibcode:1978ASAJ...64....3S. doi:10.1121/1.2004193.
Preest, Marion R.; Beuchat, Carol A. (aprilie 1997). „Ammonia excretion by hummingbirds”. Nature. 386 (6625): 561–562. Bibcode:1997Natur.386..561P. doi:10.1038/386561a0.
Nyffeler, M.; Șekercioğlu, Ç.H.; Whelan, C.J. (august 2018). „Insectivorous birds consume an estimated 400–500 million tons of prey annually”. The Science of Nature. 105 (7–8): 47. Bibcode:2018SciNa.105...47N. doi:10.1007/s00114-018-1571-z. PMID 29987431.
Cherel, Yves; Bocher, P; De Broyer, C; Hobson, KA (2002). „Food and feeding ecology of the sympatric thin-billed Pachyptila belcheri and Antarctic P. desolata prions at Iles Kerguelen, Southern Indian Ocean”. Marine Ecology Progress Series. 228: 263–281. Bibcode:2002MEPS..228..263C. doi:10.3354/meps228263 .
Jenkin, Penelope M. (1957). „The Filter-Feeding and Food of Flamingoes (Phoenicopteri)”. Philosophical Transactions of the Royal Society B. 240 (674): 401–493. Bibcode:1957RSPTB.240..401J. doi:10.1098/rstb.1957.0004. JSTOR 92549.
Shaffer, Scott A.; et al. (2006). „Migratory shearwaters integrate oceanic resources across the Pacific Ocean in an endless summer”. Proceedings of the National Academy of Sciences of the United States of America. 103 (34): 12799–12802. Bibcode:2006PNAS..10312799S. doi:10.1073/pnas.0603715103 . PMC 1568927 . PMID 16908846.
Croxall, John P.; Silk, JR; Phillips, RA; Afanasyev, V; Briggs, DR (2005). „Global Circumnavigations: Tracking year-round ranges of nonbreeding Albatrosses”. Science. 307 (5707): 249–250. Bibcode:2005Sci...307..249C. doi:10.1126/science.1106042. PMID 15653503.
Suthers, Roderick A.; Sue Anne Zollinger (iunie 2004). „Producing song: the vocal apparatus”. Ann. N.Y. Acad. Sci. 1016 (1): 109–129. Bibcode:2004NYASA1016..109S. doi:10.1196/annals.1298.041. PMID 15313772.
Templeton, Christopher N.; Greene, E; Davis, K (2005). „Allometry of Alarm Calls: Black-Capped Chickadees Encode Information About Predator Size”. Science. 308 (5730): 1934–1937. Bibcode:2005Sci...308.1934T. doi:10.1126/science.1108841. PMID 15976305.
Sheldon, B (1994). „Male Phenotype, Fertility, and the Pursuit of Extra-Pair Copulations by Female Birds”. Proceedings of the Royal Society B. 257 (1348): 25–30. Bibcode:1994RSPSB.257...25S. doi:10.1098/rspb.1994.0089.
Edwards, DB (2012). „Immune investment is explained by sexual selection and pace-of-life, but not longevity in parrots (Psittaciformes)”. PLOS ONE. 7 (12): e53066. Bibcode:2012PLoSO...753066E. doi:10.1371/journal.pone.0053066 . PMC 3531452 . PMID 23300862.
Wurster, D.; Wurster, C.; Strickland, W. (iulie 1965). „Bird Mortality Following DDT Spray for Dutch Elm Disease”. Ecology. 46 (4): 488–499. doi:10.2307/1934880. JSTOR 1934880. ; Wurster, C.F.; Wurster, D.H.; Strickland, W.N. (1965). „Bird Mortality after Spraying for Dutch Elm Disease with DDT”. Science. 148 (3666): 90–91. Bibcode:1965Sci...148...90W. doi:10.1126/science.148.3666.90. PMID 14258730.
Blackburn, T; Cassey, P; Duncan, R; Evans, K; Gaston, K (24 septembrie 2004). „Avian Extinction and Mammalian Introductions on Oceanic Islands”. Science. 305 (5692): 1955–1958. Bibcode:2004Sci...305.1955B. doi:10.1126/science.1101617. PMID 15448269.

ivb.cz

Sales, James (2005). „The endangered kiwi: a review” (PDF). Folia Zoologica. 54 (1–2): 1–20. Arhivat din original (PDF) la 26 septembrie 2007. Accesat în 15 septembrie 2007.

jboyd.net

Boyd, John (2007). „NEORNITHES: 46 Orders” (PDF). John Boyd's website. Arhivat din original (PDF) la 9 octombrie 2022. Accesat în 30 decembrie 2017.

jncc.gov.uk

Pullis La Rouche, G. (2006). Birding in the United States: a demographic and economic analysis. Waterbirds around the world. Eds. G.C. Boere, C.A. Galbraith and D.A. Stroud. The Stationery Office, Edinburgh. pp. 841–846. JNCC.gov.uk Arhivat în 4 martie 2011, la Wayback Machine., PDF

jstor.org

FARNER, DONALD S.; FOLLETT, BRIAN K.; KING, JAMESR.; MORTON, MARTIN L. (februarie 1966). „A Quantitative Examination of Ovarian Growth in the White-Crowned Sparrow”. The Biological Bulletin. 130 (1): 67–75. doi:10.2307/1539953. JSTOR 1539953. PMID 5948479.
Lequette, Benoit; Verheyden; Jouventin (1 august 1989). „Olfaction in Subantarctic seabirds: Its phylogenetic and ecological significance” (PDF). The Condor. 91 (3): 732–735. doi:10.2307/1368131. JSTOR 1368131. Arhivat din original (PDF) la 25 decembrie 2013.
Belthoff, James R.; Dufty; Gauthreaux (1 august 1994). „Plumage Variation, Plasma Steroids and Social Dominance in Male House Finches”. The Condor. 96 (3): 614–625. doi:10.2307/1369464. JSTOR 1369464.
Humphrey, Philip S.; Parkes, K.C. (1 iunie 1959). „An approach to the study of molts and plumages” (PDF). The Auk. 76 (1): 1–31. doi:10.2307/4081839. JSTOR 4081839.
McNab, Brian K. (octombrie 1994). „Energy Conservation and the Evolution of Flightlessness in Birds”. The American Naturalist. 144 (4): 628–642. doi:10.1086/285697. JSTOR 2462941.
Packard, Gary C. (1966). „The Influence of Ambient Temperature and Aridity on Modes of Reproduction and Excretion of Amniote Vertebrates”. The American Naturalist. 100 (916): 667–682. doi:10.1086/282459. JSTOR 2459303.
Robert, Michel; McNeil, Raymond; Leduc, Alain (ianuarie 1989). „Conditions and significance of night feeding in shorebirds and other water birds in a tropical lagoon” (PDF). The Auk. 106 (1): 94–101. doi:10.2307/4087761. JSTOR 4087761. Arhivat din original (PDF) la 4 octombrie 2014.
Gionfriddo, James P.; Best (1 februarie 1995). „Grit Use by House Sparrows: Effects of Diet and Grit Size” (PDF). Condor. 97 (1): 57–67. doi:10.2307/1368983. JSTOR 1368983.
Baker, Myron Charles; Baker, Ann Eileen Miller (1 aprilie 1973). „Niche Relationships Among Six Species of Shorebirds on Their Wintering and Breeding Ranges”. Ecological Monographs. 43 (2): 193–212. doi:10.2307/1942194. JSTOR 1942194.
Jenkin, Penelope M. (1957). „The Filter-Feeding and Food of Flamingoes (Phoenicopteri)”. Philosophical Transactions of the Royal Society B. 240 (674): 401–493. Bibcode:1957RSPTB.240..401J. doi:10.1098/rstb.1957.0004. JSTOR 92549.
Takahashi, Akinori; Kuroki, Maki; Niizuma, Yasuaki; Watanuki, Yutaka (decembrie 1999). „Parental Food Provisioning Is Unrelated to Manipulated Offspring Food Demand in a Nocturnal Single-Provisioning Alcid, the Rhinoceros Auklet”. Journal of Avian Biology. 30 (4): 486. doi:10.2307/3677021. JSTOR 3677021.
Bélisle, Marc; Giroux (1 august 1995). „Predation and kleptoparasitism by migrating Parasitic Jaegers” (PDF). The Condor. 97 (3): 771–781. doi:10.2307/1369185. JSTOR 1369185.
Vickery, J. A. (mai 1994). „The Kleptoparasitic Interactions between Great Frigatebirds and Masked Boobies on Henderson Island, South Pacific”. The Condor. 96 (2): 331–340. doi:10.2307/1369318. JSTOR 1369318.
Möller, Anders Pape (1988). „Badge size in the house sparrow Passer domesticus”. Behavioral Ecology and Sociobiology. 22 (5): 373–378. JSTOR 4600164.
Thomas, Betsy Trent; Strahl (1 august 1990). „Nesting Behavior of Sunbitterns (Eurypyga helias) in Venezuela” (PDF). The Condor. 92 (3): 576–581. doi:10.2307/1368675. JSTOR 1368675. Arhivat din original (PDF) la 5 martie 2016.
Pruett-Jones, S.G.; Pruett-Jones (1 mai 1990). „Sexual Selection Through Female Choice in Lawes' Parotia, A Lek-Mating Bird of Paradise”. Evolution. 44 (3): 486–501. doi:10.2307/2409431. JSTOR 2409431. PMID 28567971.
Booker, L; Booker, M (1991). „Why Are Cuckoos Host Specific?”. Oikos. 57 (3): 301–309. doi:10.2307/3565958. JSTOR 3565958.
Gauthier-Clerc, Michael; Tamisier, Alain; Cézilly, Frank (2000). „Sleep-Vigilance Trade-off in Gadwall during the Winter Period” (PDF). The Condor. 102 (2): 307–313. doi:10.1650/0010-5422(2000)102[0307:SVTOIG]2.0.CO;2. JSTOR 1369642. Arhivat din original (PDF) la 27 decembrie 2004.
Milius, S. (6 februarie 1999). „Half-asleep birds choose which half dozes”. Science News Online. 155 (6): 86. doi:10.2307/4011301. JSTOR 4011301.
Buckley, F.G.; Buckley (1 ianuarie 1968). „Upside-down Resting by Young Green-Rumped Parrotlets (Forpus passerinus)”. The Condor. 70 (1): 89. doi:10.2307/1366517. JSTOR 1366517.
Singer, R.; Yom-Tov, Y. (1988). „The Breeding Biology of the House Sparrow Passer domesticus in Israel”. Ornis Scandinavica. 19 (2): 139–144. doi:10.2307/3676463. JSTOR 3676463.
Manzi, M; Coomes, O.T. (2002). „Cormorant fishing in Southwestern China: a Traditional Fishery under Siege. (Geographical Field Note)”. Geographical Review. 92 (4): 597–603. doi:10.2307/4140937. JSTOR 4140937.
Hauser, A.J. (1985). „Jonah: In Pursuit of the Dove”. Journal of Biblical Literature. 104 (1): 21–37. doi:10.2307/3260591. JSTOR 3260591.
Thankappan Nair, P. (1974). „The Peacock Cult in Asia”. Asian Folklore Studies. 33 (2): 93–170. doi:10.2307/1177550. JSTOR 1177550.
Clarke, CP (1908). „A Pedestal of the Platform of the Peacock Throne”. The Metropolitan Museum of Art Bulletin. 3 (10): 182–183. doi:10.2307/3252550. JSTOR 3252550.
Chandler, A. (1934). „The Nightingale in Greek and Latin Poetry”. The Classical Journal. 30 (2): 78–84. JSTOR 3289944.
Lasky, E.D. (martie 1992). „A Modern Day Albatross: The Valdez and Some of Life's Other Spills”. The English Journal. 81 (3): 44–46. doi:10.2307/820195. JSTOR 820195.
Wurster, D.; Wurster, C.; Strickland, W. (iulie 1965). „Bird Mortality Following DDT Spray for Dutch Elm Disease”. Ecology. 46 (4): 488–499. doi:10.2307/1934880. JSTOR 1934880. ; Wurster, C.F.; Wurster, D.H.; Strickland, W.N. (1965). „Bird Mortality after Spraying for Dutch Elm Disease with DDT”. Science. 148 (3666): 90–91. Bibcode:1965Sci...148...90W. doi:10.1126/science.148.3666.90. PMID 14258730.

karger.com

Guioli, Silvana; Nandi, Sunil; Zhao, Debiao; Burgess-Shannon, Jessica; Lovell-Badge, Robin; Clinton, Michael (2014). „Gonadal Asymmetry and Sex Determination in Birds”. Sexual Development (în engleză). 8 (5): 227–242. doi:10.1159/000358406 . ISSN 1661-5433. PMID 24577119.

lwa.gov.au

N Reid (2006). „Birds on New England wool properties – A woolgrower guide” (PDF). Land, Water & Wool Northern Tablelands Property Fact Sheet. Australian Government – Land and Water Australia. Arhivat din original (PDF) la 15 martie 2011. Accesat în 17 iulie 2010.

marineornithology.org

Pickering, S.P.C. (2001). „Courtship behaviour of the Wandering Albatross Diomedea exulans at Bird Island, South Georgia” (PDF). Marine Ornithology. 29 (1): 29–37.

muhlenberg.edu

Klem Jr., Daniel (1990). „Collisions between birds and windows: mortality and prevention” (PDF). Journal of Field Ornithology. 61 (l): 120–128. Arhivat din original (PDF) la 14 iulie 2014.

mythfolklore.net

„Aesop for Children (1919) 48. The Wolf and the Crane”. Aesopica. Accesat în 23 aprilie 2016.
„Aesop for Children (1919) 48. The Fox and the Stork”. Aesopica. Accesat în 23 aprilie 2016.

nationalgeographic.com

„The Surprising Closest Relative of the Huge Elephant Birds”. Science & Innovation. 22 mai 2014. Accesat în 6 martie 2019.

phenomena.nationalgeographic.com

Yong, Ed (6 iunie 2013). „Phenomena: Not Exactly Rocket Science How Chickens Lost Their Penises (And Ducks Kept Theirs)”. Phenomena.nationalgeographic.com. Accesat în 3 octombrie 2013.

nih.gov

ncbi.nlm.nih.gov

Cau, Andrea; Brougham, Tom; Naish, Darren (2015). „The phylogenetic affinities of the bizarre Late Cretaceous Romanian theropod Balaur bondoc(Dinosauria, Maniraptora): Dromaeosaurid or flightless bird?”. PeerJ. 3: e1032. doi:10.7717/peerj.1032. PMC 4476167 . PMID 26157616.
Prum, Richard O. Prum (19 decembrie 2008). „Who's Your Daddy?”. Science. 322 (5909): 1799–1800. doi:10.1126/science.1168808 . PMID 19095929.
Lee, Michael S.Y.; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (1 august 2014). „Sustained miniaturization and anatomical innovation in the dinosaurian ancestors of birds”. Science. 345 (6196): 562–566. Bibcode:2014Sci...345..562L. doi:10.1126/science.1252243. PMID 25082702.
Xing Xu; Hailu You; Kai Du; Fenglu Han (28 iulie 2011). „An Archaeopteryx-like theropod from China and the origin of Avialae”. Nature. 475 (7357): 465–470. doi:10.1038/nature10288. PMID 21796204.
Turner, Alan H.; Pol, D.; Clarke, J.A.; Erickson, G.M.; Norell, M.A. (7 septembrie 2007). „A basal dromaeosaurid and size evolution preceding avian flight” (PDF). Science. 317 (5843): 1378–1381. Bibcode:2007Sci...317.1378T. doi:10.1126/science.1144066 . PMID 17823350.
Xu, X; Zhou, Z; Wang, X; Kuang, X; Zhang, F; Du, X (23 ianuarie 2003). „Four-winged dinosaurs from China”. Nature. 421 (6921): 335–340. Bibcode:2003Natur.421..335X. doi:10.1038/nature01342. PMID 12540892.
Benton, Michael J.; Dhouailly, Danielle; Jiang, Baoyu; McNamara, Maria (1 septembrie 2019). „The Early Origin of Feathers”. Trends in Ecology & Evolution (în engleză). 34 (9): 856–869. doi:10.1016/j.tree.2019.04.018. ISSN 0169-5347. PMID 31164250.
Pascal Godefroit; Andrea Cau; Hu Dong-Yu; François Escuillié; Wu Wenhao; Gareth Dyke (2013). „A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Nature. 498 (7454): 359–362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID 23719374.
Zheng, X.; Zhou, Z.; Wang, X.; Zhang, F.; Zhang, X.; Wang, Y.; Wei, G.; Wang, S.; Xu, X. (15 martie 2013). „Hind Wings in Basal Birds and the Evolution of Leg Feathers”. Science. 339 (6125): 1309–1312. Bibcode:2013Sci...339.1309Z. CiteSeerX 10.1.1.1031.5732 . doi:10.1126/science.1228753. PMID 23493711.
Wang, M.; Zheng, X.; O'Connor, J.K.; Lloyd, G.T.; Wang, X.; Wang, Y.; Zhang, X.; Zhou, Z. (2015). „The oldest record of ornithuromorpha from the early cretaceous of China”. Nature Communications. 6 (6987): 6987. Bibcode:2015NatCo...6.6987W. doi:10.1038/ncomms7987. PMC 5426517 . PMID 25942493.
Louchart, A.; Viriot, L. (2011). „From snout to beak: the loss of teeth in birds”. Trends in Ecology & Evolution. 26 (12): 663–673. doi:10.1016/j.tree.2011.09.004. PMID 21978465. Arhivat din original la 28 iulie 2014.
Clarke, J.A.; Zhou, Z.; Zhang, F. (martie 2006). „Insight into the evolution of avian flight from a new clade of Early Cretaceous ornithurines from China and the morphology of Yixianornis grabaui”. Journal of Anatomy. 208 (3): 287–308. doi:10.1111/j.1469-7580.2006.00534.x. PMC 2100246 . PMID 16533313.
Mitchell, K.J.; Llamas, B.; Soubrier, J.; Rawlence, N.J.; Worthy, T.H.; Wood, J.; Lee, M.S.Y.; Cooper, A. (23 mai 2014). „Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution” (PDF). Science. 344 (6186): 898–900. Bibcode:2014Sci...344..898M. doi:10.1126/science.1251981. PMID 24855267.
Livezey, Bradley C.; Zusi, RL (ianuarie 2007). „Higher-order phylogeny of modern birds (Theropoda, Aves: Neornithes) based on comparative anatomy. II. Analysis and discussion”. Zoological Journal of the Linnean Society. 149 (1): 1–95. doi:10.1111/j.1096-3642.2006.00293.x. PMC 2517308 . PMID 18784798.
Clarke, Julia A.; Tambussi, Claudia P.; Noriega, Jorge I.; Erickson, Gregory M.; Ketcham, Richard A. (ianuarie 2005). „Definitive fossil evidence for the extant avian radiation in the Cretaceous”. Nature. 433 (7023): 305–308. Bibcode:2005Natur.433..305C. doi:10.1038/nature03150. PMID 15662422.
Lee, Michael SY; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (mai 2014). „Morphological Clocks in Paleontology, and a Mid-Cretaceous Origin of Crown Aves” (PDF). Systematic Biology. Oxford Journals. 63 (1): 442–449. doi:10.1093/sysbio/syt110 . PMID 24449041.
Prum, R.O.; et al. (2015). „A comprehensive phylogeny of birds (Aves) using targeted next-generation DNA sequencing”. Nature. 526 (7574): 569–573. Bibcode:2015Natur.526..569P. doi:10.1038/nature15697. PMID 26444237.
Ericson, Per G.P.; et al. (2006). „Diversification of Neoaves: integration of molecular sequence data and fossils” (PDF). Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. PMC 1834003 . PMID 17148284. Arhivat din original (PDF) la 25 martie 2009. Accesat în 4 iulie 2008.
Brown, Joseph W.; Payne, RB; Mindell, DP (iunie 2007). „Nuclear DNA does not reconcile 'rocks' and 'clocks' in Neoaves: a comment on Ericson et al”. Biology Letters. 3 (3): 257–259. doi:10.1098/rsbl.2006.0611. PMC 2464679 . PMID 17389215.
Claramunt, S.; Cracraft, J. (2015). „A new time tree reveals Earth history's imprint on the evolution of modern birds”. Sci Adv. 1 (11): e1501005. Bibcode:2015SciA....1E1005C. doi:10.1126/sciadv.1501005. PMC 4730849 . PMID 26824065.
Jarvis, E.D.; et al. (2014). „Whole-genome analyses resolve early branches in the tree of life of modern birds”. Science. 346 (6215): 1320–1331. Bibcode:2014Sci...346.1320J. doi:10.1126/science.1253451. PMC 4405904 . PMID 25504713.
Sasanami, Tomohiro; Matsuzaki, Mei; Mizushima, Shusei; Hiyama, Gen (2013). „Sperm Storage in the Female Reproductive Tract in Birds”. Journal of Reproduction and Development (în engleză). 59 (4): 334–338. doi:10.1262/jrd.2013-038. ISSN 0916-8818. PMC 3944358 . PMID 23965601.
Guioli, Silvana; Nandi, Sunil; Zhao, Debiao; Burgess-Shannon, Jessica; Lovell-Badge, Robin; Clinton, Michael (2014). „Gonadal Asymmetry and Sex Determination in Birds”. Sexual Development (în engleză). 8 (5): 227–242. doi:10.1159/000358406 . ISSN 1661-5433. PMID 24577119.
Dawson, Alistair (aprilie 2015). „Annual gonadal cycles in birds: Modeling the effects of photoperiod on seasonal changes in GnRH-1 secretion”. Frontiers in Neuroendocrinology. 37: 52–64. doi:10.1016/j.yfrne.2014.08.004 . PMID 25194876.
FARNER, DONALD S.; FOLLETT, BRIAN K.; KING, JAMESR.; MORTON, MARTIN L. (februarie 1966). „A Quantitative Examination of Ovarian Growth in the White-Crowned Sparrow”. The Biological Bulletin. 130 (1): 67–75. doi:10.2307/1539953. JSTOR 1539953. PMID 5948479.
Maina, John N. (noiembrie 2006). „Development, structure, and function of a novel respiratory organ, the lung-air sac system of birds: to go where no other vertebrate has gone”. Biological Reviews. 81 (4): 545–579. doi:10.1017/S1464793106007111. PMID 17038201.
Wilkie, Susan E.; Vissers, PM; Das, D; Degrip, WJ; Bowmaker, JK; Hunt, DM (februarie 1998). „The molecular basis for UV vision in birds: spectral characteristics, cDNA sequence and retinal localization of the UV-sensitive visual pigment of the budgerigar (Melopsittacus undulatus)”. Biochemical Journal. 330 (Pt 1): 541–547. doi:10.1042/bj3300541. PMC 1219171 . PMID 9461554.
Andersson, S.; J. Ornborg; M. Andersson (1998). „Ultraviolet sexual dimorphism and assortative mating in blue tits”. Proceedings of the Royal Society B. 265 (1395): 445–450. doi:10.1098/rspb.1998.0315. PMC 1688915 .
Williams, David L.; Flach, E (martie 2003). „Symblepharon with aberrant protrusion of the nictitating membrane in the snowy owl (Nyctea scandiaca)”. Veterinary Ophthalmology. 6 (1): 11–13. doi:10.1046/j.1463-5224.2003.00250.x. PMID 12641836.
Land, M. F. (2014). „Eye movements of vertebrates and their relation to eye form and function”. Journal of Comparative Physiology A. 201 (2): 195–214. doi:10.1007/s00359-014-0964-5. PMID 25398576.
Martin, Graham R.; Katzir, G (1999). „Visual fields in Short-toed Eagles, Circaetus gallicus (Accipitridae), and the function of binocularity in birds”. Brain, Behavior and Evolution. 53 (2): 55–66. doi:10.1159/000006582. PMID 9933782.
Turner, J. Scott (1997). „On the thermal capacity of a bird's egg warmed by a brood patch”. Physiological Zoology. 70 (4): 470–480. doi:10.1086/515854. PMID 9237308.
Kovacs, Christopher E.; Meyers, RA (2000). „Anatomy and histochemistry of flight muscles in a wing-propelled diving bird, the Atlantic Puffin, Fratercula arctica”. Journal of Morphology. 244 (2): 109–125. doi:10.1002/(SICI)1097-4687(200005)244:2<109::AID-JMOR2>3.0.CO;2-0. PMID 10761049.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (ianuarie 2000). „Empirical evidence for differential organ reductions during trans-oceanic bird flight”. Proceedings of the Royal Society B. 267 (1439): 191–195. doi:10.1098/rspb.2000.0986. PMC 1690512 . PMID 10687826. (Erratum in Proceedings of the Royal Society B 267(1461):2567.)
Tsahar, Ella; Martínez Del Rio, C; Izhaki, I; Arad, Z (2005). „Can birds be ammonotelic? Nitrogen balance and excretion in two frugivores”. Journal of Experimental Biology. 208 (6): 1025–1034. doi:10.1242/jeb.01495 . PMID 15767304.
Skadhauge, E; Erlwanger, KH; Ruziwa, SD; Dantzer, V; Elbrønd, VS; Chamunorwa, JP (2003). „Does the ostrich (Struthio camelus) coprodeum have the electrophysiological properties and microstructure of other birds?”. Comparative Biochemistry and Physiology A. 134 (4): 749–755. doi:10.1016/S1095-6433(03)00006-0. PMID 12814783.
Mora, J.; Martuscelli, J; Ortiz Pineda, J; Soberon, G (1965). „The regulation of urea-biosynthesis enzymes in vertebrates”. Biochemical Journal. 96 (1): 28–35. doi:10.1042/bj0960028. PMC 1206904 . PMID 14343146.
Hagey, Lee R.; Vidal, Nicolas; Hofmann, Alan F.; Krasowski, Matthew D. (2010). „Complex Evolution of Bile Salts in Birds”. Bio One. 127 (4): 820–831. doi:10.1525/auk.2010.09155. PMC 2990222 . PMID 21113274.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (ianuarie 2000). „Empirical evidence for differential organ reductions during trans-oceanic bird flight”. Proceedings of the Royal Society B. 267 (1439): 191–195. doi:10.1098/rspb.2000.0986. PMC 1690512 . PMID 10687826. (Erratum in Proceedings of the Royal Society B 267(1461):2567.)
Nyffeler, M.; Șekercioğlu, Ç.H.; Whelan, C.J. (august 2018). „Insectivorous birds consume an estimated 400–500 million tons of prey annually”. The Science of Nature. 105 (7–8): 47. Bibcode:2018SciNa.105...47N. doi:10.1007/s00114-018-1571-z. PMID 29987431.
Klaassen, Marc (1 ianuarie 1996). „Metabolic constraints on long-distance migration in birds”. Journal of Experimental Biology. 199 (1): 57–64. doi:10.1242/jeb.199.1.57. PMID 9317335.
Shaffer, Scott A.; et al. (2006). „Migratory shearwaters integrate oceanic resources across the Pacific Ocean in an endless summer”. Proceedings of the National Academy of Sciences of the United States of America. 103 (34): 12799–12802. Bibcode:2006PNAS..10312799S. doi:10.1073/pnas.0603715103 . PMC 1568927 . PMID 16908846.
Croxall, John P.; Silk, JR; Phillips, RA; Afanasyev, V; Briggs, DR (2005). „Global Circumnavigations: Tracking year-round ranges of nonbreeding Albatrosses”. Science. 307 (5707): 249–250. Bibcode:2005Sci...307..249C. doi:10.1126/science.1106042. PMID 15653503.
Mouritsen, Henrik; L (15 noiembrie 2001). „Migrating songbirds tested in computer-controlled Emlen funnels use stellar cues for a time-independent compass”. Journal of Experimental Biology. 204 (8): 3855–3865. doi:10.1242/jeb.204.22.3855. PMID 11807103.
Deutschlander, Mark E.; P; B (15 aprilie 1999). „The case for light-dependent magnetic orientation in animals”. Journal of Experimental Biology. 202 (8): 891–908. doi:10.1242/jeb.202.8.891. PMID 10085262.
Pruett-Jones, S.G.; Pruett-Jones (1 mai 1990). „Sexual Selection Through Female Choice in Lawes' Parotia, A Lek-Mating Bird of Paradise”. Evolution. 44 (3): 486–501. doi:10.2307/2409431. JSTOR 2409431. PMID 28567971.
Suthers, Roderick A.; Sue Anne Zollinger (iunie 2004). „Producing song: the vocal apparatus”. Ann. N.Y. Acad. Sci. 1016 (1): 109–129. Bibcode:2004NYASA1016..109S. doi:10.1196/annals.1298.041. PMID 15313772.
Jouventin, Pierre; Aubin, T; Lengagne, T (iunie 1999). „Finding a parent in a king penguin colony: the acoustic system of individual recognition”. Animal Behaviour. 57 (6): 1175–1183. doi:10.1006/anbe.1999.1086. PMID 10373249.
Templeton, Christopher N.; Greene, E; Davis, K (2005). „Allometry of Alarm Calls: Black-Capped Chickadees Encode Information About Predator Size”. Science. 308 (5730): 1934–1937. Bibcode:2005Sci...308.1934T. doi:10.1126/science.1108841. PMID 15976305.
Lafuma, L; Lambrechts, M; Raymond, M (2001). „Aromatic plants in bird nests as a protection against blood-sucking flying insects?”. Behavioural Processes. 56 (2): 113–120. doi:10.1016/S0376-6357(01)00191-7. PMID 11672937.
Cockburn, Andrew (2006). „Prevalence of different modes of parental care in birds”. Proceedings of the Royal Society B. 273 (1592): 1375–1383. doi:10.1098/rspb.2005.3458. PMC 1560291 . PMID 16777726.
Edwards, DB (2012). „Immune investment is explained by sexual selection and pace-of-life, but not longevity in parrots (Psittaciformes)”. PLOS ONE. 7 (12): e53066. Bibcode:2012PLoSO...753066E. doi:10.1371/journal.pone.0053066 . PMC 3531452 . PMID 23300862.
Bäckman, Johan; A (1 aprilie 2002). „Harmonic oscillatory orientation relative to the wind in nocturnal roosting flights of the swift Apus apus”. The Journal of Experimental Biology. 205 (7): 905–910. doi:10.1242/jeb.205.7.905. PMID 11916987.
Wurster, D.; Wurster, C.; Strickland, W. (iulie 1965). „Bird Mortality Following DDT Spray for Dutch Elm Disease”. Ecology. 46 (4): 488–499. doi:10.2307/1934880. JSTOR 1934880. ; Wurster, C.F.; Wurster, D.H.; Strickland, W.N. (1965). „Bird Mortality after Spraying for Dutch Elm Disease with DDT”. Science. 148 (3666): 90–91. Bibcode:1965Sci...148...90W. doi:10.1126/science.148.3666.90. PMID 14258730.
Blackburn, T; Cassey, P; Duncan, R; Evans, K; Gaston, K (24 septembrie 2004). „Avian Extinction and Mammalian Introductions on Oceanic Islands”. Science. 305 (5692): 1955–1958. Bibcode:2004Sci...305.1955B. doi:10.1126/science.1101617. PMID 15448269.

online-latin-dictionary.com

„Online Latin Dictionary - Latin - English”, Online-latin-dictionary.com

oup.com

academic.oup.com

H Kuhl, C Frankl-Vilches, A Bakker, G Mayr, G Nikolaus, S T Boerno, S Klages, B Timmermann, M Gahr (2020) An unbiased molecular approach using 3'UTRs resolves the avian family-level tree of life. Molecular Biology and Evolution. https://doi.org/10.1093/molbev/msaa191
Lee, Michael SY; Cau, Andrea; Naish, Darren; Dyke, Gareth J. (mai 2014). „Morphological Clocks in Paleontology, and a Mid-Cretaceous Origin of Crown Aves” (PDF). Systematic Biology. Oxford Journals. 63 (1): 442–449. doi:10.1093/sysbio/syt110 . PMID 24449041.
MacFarlane, Geoff R.; Blomberg, Simon P.; Kaplan, Gisela; Rogers, Lesley J. (1 ianuarie 2007). „Same-sex sexual behavior in birds: expression is related to social mating system and state of development at hatching”. Behavioral Ecology (în engleză). 18 (1): 21–33. doi:10.1093/beheco/arl065. ISSN 1045-2249.

owlpages.com

Lewis DP (2005). Owls in Mythology and Culture. The Owl Pages. Retrieved on September 15, 2007.

paleoitalia.org

Cau, Andrea (2018). „The assembly of the avian body plan : a 160-million-year long process” (PDF). Bollettino della Società Paleontologica Italiana. Arhivat din original (PDF) la 21 decembrie 2018. Accesat în 25 august 2021.

paulnoll.com

Noll, Paul. „The Avian Skeleton”. paulnoll.com. Accesat în 13 decembrie 2007.

physoc.org

jp.physoc.org

A study of the seasonal changes in avian testes Alexander Watson, J. Physiol. 1919;53;86-91, 'greenfinch (Carduelis chloris)', "In early summer (May and June) they are as big as a whole pea and in early winter (November) they are no bigger than a pin head"

precolumbia.com

Smith, S. (2011). „Generative landscapes: the step mountain motif in Tiwanaku iconography” (PDF). Ancient America. 12: 1–69. Arhivat din original (Automatic PDF download) la 6 ianuarie 2019. Accesat în 28 august 2021.

psu.edu

citeseerx.ist.psu.edu

Zheng, X.; Zhou, Z.; Wang, X.; Zhang, F.; Zhang, X.; Wang, Y.; Wei, G.; Wang, S.; Xu, X. (15 martie 2013). „Hind Wings in Basal Birds and the Evolution of Leg Feathers”. Science. 339 (6125): 1309–1312. Bibcode:2013Sci...339.1309Z. CiteSeerX 10.1.1.1031.5732 . doi:10.1126/science.1228753. PMID 23493711.

researchgate.net

Möller, Anders Pape (1988). „Badge size in the house sparrow Passer domesticus”. Behavioral Ecology and Sociobiology. 22 (5): 373–378. JSTOR 4600164.

sciencedirect.com

Benton, Michael J.; Dhouailly, Danielle; Jiang, Baoyu; McNamara, Maria (1 septembrie 2019). „The Early Origin of Feathers”. Trends in Ecology & Evolution (în engleză). 34 (9): 856–869. doi:10.1016/j.tree.2019.04.018. ISSN 0169-5347. PMID 31164250.

sciencemag.org

Turner, Alan H.; Pol, D.; Clarke, J.A.; Erickson, G.M.; Norell, M.A. (7 septembrie 2007). „A basal dromaeosaurid and size evolution preceding avian flight” (PDF). Science. 317 (5843): 1378–1381. Bibcode:2007Sci...317.1378T. doi:10.1126/science.1144066 . PMID 17823350.

senckenberg.de

Ericson, Per G.P.; et al. (2006). „Diversification of Neoaves: integration of molecular sequence data and fossils” (PDF). Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. PMC 1834003 . PMID 17148284. Arhivat din original (PDF) la 25 martie 2009. Accesat în 4 iulie 2008.

senescence.info

genomics.senescence.info

„AnAge: The animal ageing and longevity database”. Human Ageing and Genomics Resources. Accesat în 26 septembrie 2014.

stanford.edu

Ehrlich, Paul R.; David S. Dobkin; Darryl Wheye (1988). „Adaptations for Flight”. Birds of Stanford. Stanford University. Accesat în 13 decembrie 2007. Based on The Birder's Handbook (Paul Ehrlich, David Dobkin, and Darryl Wheye. 1988. Simon and Schuster, New York.)
Ehrlich, Paul R.; David S. Dobkin; Darryl Wheye (1988). „The Avian Sense of Smell”. Birds of Stanford. Stanford University. Accesat în 13 decembrie 2007.
Ehrlich, Paul R.; David S. Dobkin; Darryl Wheye (1988). „Drinking”. Birds of Stanford. Stanford University. Accesat în 13 decembrie 2007.

taxonomy.nl

taxonomicon.taxonomy.nl

Brands, Sheila (14 august 2008). „Systema Naturae 2000 / Classification, Class Aves”. Project: The Taxonomicon. Accesat în 11 iunie 2012.

the-scientist.com

Luiggi, Christina (iulie 2011). „On the Origin of Birds”. The Scientist. Arhivat din original la 16 iunie 2012. Accesat în 11 iunie 2012.

umich.edu

animaldiversity.ummz.umich.edu

„Animal diversity web”. University of Michigan, Museum of Zoology. Accesat în 26 septembrie 2014.

unifi.it

ejour-fup.unifi.it

Genevois, F.; Bretagnolle, V. (1994). „Male Blue Petrels reveal their body mass when calling”. Ethology Ecology and Evolution. 6 (3): 377–383. doi:10.1080/08927014.1994.9522988. Arhivat din original la 24 decembrie 2007.

unm.edu

sora.unm.edu

Lequette, Benoit; Verheyden; Jouventin (1 august 1989). „Olfaction in Subantarctic seabirds: Its phylogenetic and ecological significance” (PDF). The Condor. 91 (3): 732–735. doi:10.2307/1368131. JSTOR 1368131. Arhivat din original (PDF) la 25 decembrie 2013.
Humphrey, Philip S.; Parkes, K.C. (1 iunie 1959). „An approach to the study of molts and plumages” (PDF). The Auk. 76 (1): 1–31. doi:10.2307/4081839. JSTOR 4081839.
Ehrlich, Paul R. (1986). „The Adaptive Significance of Anting” (PDF). The Auk. 103 (4): 835. Arhivat din original (PDF) la 5 martie 2016.
Robert, Michel; McNeil, Raymond; Leduc, Alain (ianuarie 1989). „Conditions and significance of night feeding in shorebirds and other water birds in a tropical lagoon” (PDF). The Auk. 106 (1): 94–101. doi:10.2307/4087761. JSTOR 4087761. Arhivat din original (PDF) la 4 octombrie 2014.
Gionfriddo, James P.; Best (1 februarie 1995). „Grit Use by House Sparrows: Effects of Diet and Grit Size” (PDF). Condor. 97 (1): 57–67. doi:10.2307/1368983. JSTOR 1368983.
Bélisle, Marc; Giroux (1 august 1995). „Predation and kleptoparasitism by migrating Parasitic Jaegers” (PDF). The Condor. 97 (3): 771–781. doi:10.2307/1369185. JSTOR 1369185.
Wilson, W. Herbert, Jr. (1999). „Bird feeding and irruptions of northern finches:are migrations short stopped?” (PDF). North America Bird Bander. 24 (4): 113–121. Arhivat din original (PDF) la 29 iulie 2014.
Rabenold, Kerry N. (1985). „Variation in Altitudinal Migration, Winter Segregation, and Site Tenacity in two subspecies of Dark-eyed Juncos in the southern Appalachians” (PDF). The Auk. 102 (4): 805–819.
Thomas, Betsy Trent; Strahl (1 august 1990). „Nesting Behavior of Sunbitterns (Eurypyga helias) in Venezuela” (PDF). The Condor. 92 (3): 576–581. doi:10.2307/1368675. JSTOR 1368675. Arhivat din original (PDF) la 5 martie 2016.
Gauthier-Clerc, Michael; Tamisier, Alain; Cézilly, Frank (2000). „Sleep-Vigilance Trade-off in Gadwall during the Winter Period” (PDF). The Condor. 102 (2): 307–313. doi:10.1650/0010-5422(2000)102[0307:SVTOIG]2.0.CO;2. JSTOR 1369642. Arhivat din original (PDF) la 27 decembrie 2004.

elibrary.unm.edu

James P. Gionfriddo; Louis B. Best (1995). Grit Use by House Sparrows: Effects of Diet and Grit Size (PDF). 97. Condor. p. 57–67. doi:10.2307/1368983. Arhivat din original (PDF) la 25 martie 2009. Accesat în 25 august 2021.

ventanaws.org

„COOL CONDOR FACTS :: VENTANA WILDLIFE SOCIETY”, Ventanaws.org, arhivat din original la 20 iulie 2008, accesat în 14 iunie 2018

web.archive.org

Borenstein, Seth (31 iulie 2014). „Study traces dinosaur evolution into early birds”. Associated Press. Arhivat din original la 8 august 2014. Accesat în 3 august 2014.
Luiggi, Christina (iulie 2011). „On the Origin of Birds”. The Scientist. Arhivat din original la 16 iunie 2012. Accesat în 11 iunie 2012.
Cau, Andrea (2018). „The assembly of the avian body plan : a 160-million-year long process” (PDF). Bollettino della Società Paleontologica Italiana. Arhivat din original (PDF) la 21 decembrie 2018. Accesat în 25 august 2021.
Agency France-Presse (aprilie 2011). „Birds survived dino extinction with keen senses”. Cosmos Magazine. Arhivat din original la 2 aprilie 2015. Accesat în 11 iunie 2012.
Louchart, A.; Viriot, L. (2011). „From snout to beak: the loss of teeth in birds”. Trends in Ecology & Evolution. 26 (12): 663–673. doi:10.1016/j.tree.2011.09.004. PMID 21978465. Arhivat din original la 28 iulie 2014.
Ericson, Per G.P.; et al. (2006). „Diversification of Neoaves: integration of molecular sequence data and fossils” (PDF). Biology Letters. 2 (4): 543–547. doi:10.1098/rsbl.2006.0523. PMC 1834003 . PMID 17148284. Arhivat din original (PDF) la 25 martie 2009. Accesat în 4 iulie 2008.
„Ornithology, 3rd Edition – Waterfowl: Order Anseriformes”. Arhivat din original la 22 iunie 2015. Accesat în 3 octombrie 2013.
Sales, James (2005). „The endangered kiwi: a review” (PDF). Folia Zoologica. 54 (1–2): 1–20. Arhivat din original (PDF) la 26 septembrie 2007. Accesat în 15 septembrie 2007.
Lequette, Benoit; Verheyden; Jouventin (1 august 1989). „Olfaction in Subantarctic seabirds: Its phylogenetic and ecological significance” (PDF). The Condor. 91 (3): 732–735. doi:10.2307/1368131. JSTOR 1368131. Arhivat din original (PDF) la 25 decembrie 2013.
Guthrie, R. Dale. „How We Use and Show Our Social Organs”. Body Hot Spots: The Anatomy of Human Social Organs and Behavior. Arhivat din original la 21 iunie 2007. Accesat în 19 octombrie 2007.
de Beer SJ, Lockwood GM, Raijmakers JHFS, Raijmakers JMH, Scott WA, Oschadleus HD, Underhill LG (2001). "SAFRING Bird Ringing Manual Arhivat în 19 octombrie 2017, la Wayback Machine.".
Ehrlich, Paul R. (1986). „The Adaptive Significance of Anting” (PDF). The Auk. 103 (4): 835. Arhivat din original (PDF) la 5 martie 2016.
James P. Gionfriddo; Louis B. Best (1995). Grit Use by House Sparrows: Effects of Diet and Grit Size (PDF). 97. Condor. p. 57–67. doi:10.2307/1368983. Arhivat din original (PDF) la 25 martie 2009. Accesat în 25 august 2021.
Robert, Michel; McNeil, Raymond; Leduc, Alain (ianuarie 1989). „Conditions and significance of night feeding in shorebirds and other water birds in a tropical lagoon” (PDF). The Auk. 106 (1): 94–101. doi:10.2307/4087761. JSTOR 4087761. Arhivat din original (PDF) la 4 octombrie 2014.
N Reid (2006). „Birds on New England wool properties – A woolgrower guide” (PDF). Land, Water & Wool Northern Tablelands Property Fact Sheet. Australian Government – Land and Water Australia. Arhivat din original (PDF) la 15 martie 2011. Accesat în 17 iulie 2010.
Wilson, W. Herbert, Jr. (1999). „Bird feeding and irruptions of northern finches:are migrations short stopped?” (PDF). North America Bird Bander. 24 (4): 113–121. Arhivat din original (PDF) la 29 iulie 2014.
Thomas, Betsy Trent; Strahl (1 august 1990). „Nesting Behavior of Sunbitterns (Eurypyga helias) in Venezuela” (PDF). The Condor. 92 (3): 576–581. doi:10.2307/1368675. JSTOR 1368675. Arhivat din original (PDF) la 5 martie 2016.
Genevois, F.; Bretagnolle, V. (1994). „Male Blue Petrels reveal their body mass when calling”. Ethology Ecology and Evolution. 6 (3): 377–383. doi:10.1080/08927014.1994.9522988. Arhivat din original la 24 decembrie 2007.
Gauthier-Clerc, Michael; Tamisier, Alain; Cézilly, Frank (2000). „Sleep-Vigilance Trade-off in Gadwall during the Winter Period” (PDF). The Condor. 102 (2): 307–313. doi:10.1650/0010-5422(2000)102[0307:SVTOIG]2.0.CO;2. JSTOR 1369642. Arhivat din original (PDF) la 27 decembrie 2004.
„COOL CONDOR FACTS :: VENTANA WILDLIFE SOCIETY”, Ventanaws.org, arhivat din original la 20 iulie 2008, accesat în 14 iunie 2018
Pullis La Rouche, G. (2006). Birding in the United States: a demographic and economic analysis. Waterbirds around the world. Eds. G.C. Boere, C.A. Galbraith and D.A. Stroud. The Stationery Office, Edinburgh. pp. 841–846. JNCC.gov.uk Arhivat în 4 martie 2011, la Wayback Machine., PDF
Dorothy D. Resig, The Enduring Symbolism of Doves, From Ancient Icon to Biblical Mainstay" Arhivat în 31 ianuarie 2013, la Wayback Machine., BAR Magazine . Bib-arch.org (9 February 2013). Retrieved on 5 March 2013.
Smith, S. (2011). „Generative landscapes: the step mountain motif in Tiwanaku iconography” (PDF). Ancient America. 12: 1–69. Arhivat din original (Automatic PDF download) la 6 ianuarie 2019. Accesat în 28 august 2021.
Klem Jr., Daniel (1990). „Collisions between birds and windows: mortality and prevention” (PDF). Journal of Field Ornithology. 61 (l): 120–128. Arhivat din original (PDF) la 14 iulie 2014.

whfreeman.com

bcs.whfreeman.com

„Ornithology, 3rd Edition – Waterfowl: Order Anseriformes”. Arhivat din original la 22 iunie 2015. Accesat în 3 octombrie 2013.

worldcat.org

Benton, Michael J.; Dhouailly, Danielle; Jiang, Baoyu; McNamara, Maria (1 septembrie 2019). „The Early Origin of Feathers”. Trends in Ecology & Evolution (în engleză). 34 (9): 856–869. doi:10.1016/j.tree.2019.04.018. ISSN 0169-5347. PMID 31164250.
Field, Daniel J.; Benito, Juan; Chen, Albert; Jagt, John W. M.; Ksepka, Daniel T. (18 martie 2020). „Late Cretaceous neornithine from Europe illuminates the origins of crown birds”. Nature (în engleză). 579 (7799): 397–401. doi:10.1038/s41586-020-2096-0. ISSN 1476-4687.
Mayr, Ernst; Short, Lester L. (1970). Species Taxa of North American Birds: A Contribution to Comparative Systematics. Publications of the Nuttall Ornithological Club, no. 9. Cambridge, MA: Nuttall Ornithological Club. OCLC 517185.
Sasanami, Tomohiro; Matsuzaki, Mei; Mizushima, Shusei; Hiyama, Gen (2013). „Sperm Storage in the Female Reproductive Tract in Birds”. Journal of Reproduction and Development (în engleză). 59 (4): 334–338. doi:10.1262/jrd.2013-038. ISSN 0916-8818. PMC 3944358 . PMID 23965601.
Guioli, Silvana; Nandi, Sunil; Zhao, Debiao; Burgess-Shannon, Jessica; Lovell-Badge, Robin; Clinton, Michael (2014). „Gonadal Asymmetry and Sex Determination in Birds”. Sexual Development (în engleză). 8 (5): 227–242. doi:10.1159/000358406 . ISSN 1661-5433. PMID 24577119.
Dodenhoff, Danielle J.; Stark, Robert D.; Johnson, Eric V. (2001). „Do woodpecker drums encode information for species recognition?”. The Condor. 103 (1): 143. doi:10.1650/0010-5422(2001)103[0143:DWDEIF]2.0.CO;2. ISSN 0010-5422.
MacFarlane, Geoff R.; Blomberg, Simon P.; Kaplan, Gisela; Rogers, Lesley J. (1 ianuarie 2007). „Same-sex sexual behavior in birds: expression is related to social mating system and state of development at hatching”. Behavioral Ecology (în engleză). 18 (1): 21–33. doi:10.1093/beheco/arl065. ISSN 1045-2249.

zenodo.org

Richard Dolbeer (1990). „Ornithology and integrated pest management: Red-winged blackbirds Agleaius phoeniceus and corn”. Ibis. 132 (2): 309–322. doi:10.1111/j.1474-919X.1990.tb01048.x.

zum.de

„The Guano War of 1865–1866”. World History at KMLA. Accesat în 18 decembrie 2007.