Fugle (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Fugle" in Danish language version.

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63doi.org

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19web.archive.org

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17nih.gov

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11unm.edu

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2worldbirdnames.org

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annualreviews.org

arjournals.annualreviews.org

Westneat, David F.; Ian R. K. Stewart (2003). "Extra-pair paternity in birds: Causes, correlates, and conflict". Annual Review of Ecology, Evolution, and Systematics. Vol. 34. s. 365–96. doi:10.1146/annurev.ecolsys.34.011802.132439. (Webside ikke længere tilgængelig)

archive.org

Gill, Frank (1995). Ornithology (Anden udgave). New York: W.H. Freeman. ISBN 0-7167-2415-4.
R. Hørring. Danmarks Fauna. Fugle I. Andefugle og Hønsefugle. Gads Forlag/Dansk naturhistorisk Forening 1919. Copyright udløbet.
Attenborough, David (1998). The Life of Birds. Princeton: Princeton University Press. ISBN 0-691-01633-X.
Roots, Clive (2006). Flightless Birds. Westport: Greenwood Press. ISBN 978-0-313-33545-7.
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.

biochemj.org

Mora, J.; J. Martuscelli, Juana Ortiz-Pineda och G. Soberón (1965). "The Regulation of Urea-Biosynthesis Enzymes in Vertebrates" (PDF). Biochemical Journal. Vol. 96. s. 28–35. PMID 14343146.

biologists.org

jeb.biologists.org

Klaassen, Marc (1996). "Metabolic constraints on long-distance migration in birds". Journal of Experimental Biology. Vol. 199, no. 1. s. 57–64. PMID 9317335. {{cite news}}: Cite har en ukendt tom parameter: |month= (hjælp)
Matthews, G. V. T. (1953). "Navigation in the Manx Shearwater". Journal of Experimental Biology. Vol. 30, no. 2. s. 370–96.
Mouritsen, Henrik; Ole Næsbye Larsen (2001). "Migrating songbirds tested in computer-controlled Emlen funnels use stellar cues for a time-independent compass". Journal of Experimental Biology. Vol. 204, no. 8. s. 3855–65. PMID 11807103.
Deutschlander, Mark E.; John B. Phillips and S. Chris Borland (1999). "The case for light-dependent magnetic orientation in animals". Journal of Experimental Biology. Vol. 202, no. 8. s. 891–908. PMID 10085262.

birdlife.fi

Finlands nationalfugl i Finland for birdwatchers på www.birdlife.fi

birdlife.org

"Long-distance Godwit sets new record". BirdLife International. 2007-04-05. Arkiveret fra originalen 2. oktober 2013. Hentet 2013-09-10.

doi.org

Warham, John (1977). "The Incidence, Function and ecological significance of petrel stomach oils" (PDF). Proceedings of the New Zealand Ecological Society. Vol. 24. s. 84–93. doi:10.2307/1365556.
Dumbacher, J.P.; B.M. Beehler, T.F. Spande; et al. (1992). "omobatrachotoxin in the genus Pitohui: chemical defense in birds?". Science. Vol. 258, no. 5083. s. 799–801. doi:10.1126/science.1439786. PMID 1439786. {{cite news}}: Eksplicit brug af et al. i: |last2= (hjælp); Ukendt parameter |month= ignoreret (hjælp)
Göth, Anne (2007). "Incubation temperatures and sex ratios in Australian brush-turkey (Alectura lathami) mounds". Austral Ecology. Vol. 32, no. 4. s. 278–85. doi:10.1111/j.1442-9993.2007.01709.x.
Tsahar, Ella; Carlos Martínez del Rio, Ido Izhaki och Zeev Arad (2005). "Can birds be ammonotelic? Nitrogen balance and excretion in two frugivores". Journal of Experimental Biology. Vol. 208, no. 6. s. 1025–34. doi:10.1242/jeb.01495. PMID 15767304.
Preest, Marion R.; Carol A. Beuchat (1997). "Ammonia excretion by hummingbirds". Nature. Vol. 386. s. 561–62. doi:10.1038/386561a0. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Packard, Gary C. (1966). "The Influence of Ambient Temperature and Aridity on Modes of Reproduction and Excretion of Amniote Vertebrates". The American Naturalist. Vol. 100, no. 916. s. 667–82. doi:10.1086/282459.
Balgooyen, Thomas G. (1971). "Pellet Regurgitation by Captive Sparrow Hawks (Falco sparverius)" (PDF). Condor. Vol. 73, no. 3. s. 382–85. doi:10.2307/1365774. Hentet 24. maj 2013. {{cite news}}: |archive-url= kræver at |archive-date= også er angivet (hjælp)
Gionfriddo, James P.; Louis B. Best (1995). "Grit Use by House Sparrows: Effects of Diet and Grit Size" (PDF). Condor. Vol. 97, no. 1. s. 57–67. doi:10.2307/1368983. Hentet 24. maj 2013. {{cite news}}: |archive-url= kræver at |archive-date= også er angivet (hjælp); Ukendt parameter |month= ignoreret (hjælp)
Battley, Phil F.; Theunis Piersma, Maurine W. Dietz; et al. (2000). "Empirical evidence for differential organ reductions during trans-oceanic bird flight". Proceedings of the Royal Society B. Vol. 267, no. 1439. s. 191–5. doi:10.1098/rspb.2000.0986. PMID 10687826. {{cite news}}: Eksplicit brug af et al. i: |last2= (hjælp); Ukendt parameter |month= ignoreret (hjælp) (Erratum i Proceedings of the Royal Society B 267(1461):2567.)
Maina, John N. (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. Vol. 81, no. 4. s. 545–79. doi:10.1111/j.1469-185X.2006.tb00218.x (inaktiv 2008-06-28). PMID 17038201. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)CS1-vedligeholdelse: DOI inaktiv siden juni 2008 (link)
Suthers, Roderick A.; Sue Anne Zollinger (2004). "Producing song: the vocal apparatus". I H. Philip Zeigler & Peter Marler (red.) (red.). Behavioral Neurobiology of Birdsong. Annals of the New York Academy of Sciences 1016. New York: New York Academy of Sciences. s. 109-129. doi:10.1196/annals.1298.041. ISBN 1-57331-473-0. PMID 15313772
Scott, Robert B. (1966). "Comparative hematology: The phylogeny of the erythrocyte". Annals of Hematology. Vol. 12, no. 6. s. 340–51. doi:10.1007/BF01632827. PMID 5325853. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
McNab, Brian K. (1994). "Energy Conservation and the Evolution of Flightlessness in Birds". The American Naturalist. Vol. 144, no. 4. s. 628–42. doi:10.1086/285697. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Kovacs, Christopher E.; Ron A. Meyers (2000). "Anatomy and histochemistry of flight muscles in a wing-propelled diving bird, the Atlantic Puffin, Fratercula arctica". Journal of Morphology. Vol. 244, no. 2. s. 109–25. doi:10.1002/(SICI)1097-4687(200005)244:2<109::AID-JMOR2>3.0.CO;2-0. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Lequette, Benoit; Christophe Verheyden, Pierre Jouventin (1989). "Olfaction in Subantarctic seabirds: Its phylogenetic and ecological significance" (PDF). The Condor. Vol. 91, no. 3. s. 732–35. doi:10.2307/1368131. Hentet 16. september 2013. {{cite news}}: |archive-url= kræver at |archive-date= også er angivet (hjælp); Ukendt parameter |month= ignoreret (hjælp)
Saito, Nozomu (1978). "Physiology and anatomy of avian ear". The Journal of the Acoustical Society of America. Vol. 64, no. S1. s. S3. doi:10.1121/1.2004193.
Belthoff, James R.; Alfred M. Dufty, Jr., Sidney A. Gauthreaux, Jr. (1994). "Plumage Variation, Plasma Steroids and Social Dominance in Male House Finches". The Condor. Vol. 96, no. 3. s. 614–25. doi:10.2307/1369464. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)CS1-vedligeholdelse: Flere navne: authors list (link)
Gargallo, Gabriel (1994). "Flight Feather Moult in the Red-Necked Nightjar Caprimulgus ruficollis". Journal of Avian Biology. Vol. 25, no. 2. s. 119–24. doi:10.2307/3677029. {{cite news}}: Cite har en ukendt tom parameter: |month= (hjælp)
Walther, Bruno A.; Dale H. Clayton (2005). "Elaborate ornaments are costly to maintain: evidence for high maintenance handicaps". Behavioural Ecology. Vol. 16, no. 1. s. 89–95. doi:10.1093/beheco/arh135.
Shawkey, Matthew D.; Shawkey, Shreekumar R. Pillai, Geoffrey E. Hill (2003). "Chemical warfare? Effects of uropygial oil on feather-degrading bacteria". Journal of Avian Biology. Vol. 34, no. 4. s. 345–49. doi:10.1111/j.0908-8857.2003.03193.x.{{cite news}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Paton, D. C.; B. G. Collins (1989). "Bills and tongues of nectar-feeding birds: A review of morphology, function, and performance, with intercontinental comparisons". Australian Journal of Ecology. Vol. 14, no. 4. s. 473–506. doi:10.2307/1942194.
Baker, Myron Charles; Ann Eileen Miller Baker (1973). "Niche Relationships Among Six Species of Shorebirds on Their Wintering and Breeding Ranges". Ecological Monographs. Vol. 43, no. 2. s. 193–212. doi:10.2307/1942194.
Cherel, Yves; Pierrick Bocher, Claude De Broyer et als. (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. Vol. 228. s. 263–81. doi:10.3354/meps228263. {{cite news}}: Cite har en ukendt tom parameter: |month= (hjælp)
Jenkin, Penelope M. (1957). "The Filter-Feeding and Food of Flamingoes (Phoenicopteri)". Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. Vol. 240, no. 674. s. 401–93. doi:10.1098/rstb.1957.0004.
Miyazaki, Masamine (1996). "Vegetation cover, kleptoparasitism by diurnal gulls and timing of arrival of nocturnal Rhinoceros Auklets" (PDF). The Auk. Vol. 113, no. 3. s. 698–702. doi:10.2307/3677021. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Bélisle, Marc; Jean-François Giroux (1995). "Predation and kleptoparasitism by migrating Parasitic Jaegers" (PDF). The Condor. Vol. 97, no. 3. s. 771–781. doi:10.2307/1369185. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Vickery, J. A.; M. De L. Brooke (1994). "The Kleptoparasitic Interactions between Great Frigatebirds and Masked Boobies on Henderson Island, South Pacific" (PDF). The Condor. Vol. 96, no. 2. s. 331–40. doi:10.2307/1369318. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Hiraldo, F.C.; J.C. Blanco and J. Bustamante (1991). "Unspecialized exploitation of small carcasses by birds". Bird Studies. Vol. 38, no. 3. s. 200–07. doi:10.1080/00063659109477089.
Shaffer, Scott A.; Yann Tremblay, Henri Weimerskirch et als (2006). "Migratory shearwaters integrate oceanic resources across the Pacific Ocean in an endless summer". Proceedings of the National Academy of Sciences. Vol. 103, no. 34. s. 12799–802. doi:10.1073/pnas.0603715103. PMID 16908846.
Croxall, John P.; Janet R. D. Silk, Richard A. Phillips et als. (2005). "Global Circumnavigations: Tracking year-round ranges of nonbreeding Albatrosses". Science. Vol. 307, no. 5707. s. 249–50. doi:10.1126/science.1106042. PMID 15653503.
Nilsson, Anna L. K.; Thomas Alerstam, and Jan-Åke Nilsson (2006). "Do partial and regular migrants differ in their responses to weather?". The Auk. Vol. 123, no. 2. s. 537–47. doi:10.1642/0004-8038(2006)123[537:DPARMD]2.0.CO;2.
Chan, Ken (2001). "Partial migration in Australian landbirds: a review". Emu. Vol. 101, no. 4. s. 281–92. doi:10.1071/MU00034.
Gauthier-Clerc, Michael; Alain Tamisier, Frank Cezilly (2000). "Sleep-Vigilance Trade-off in Gadwall during the Winter Period" (PDF). The Condor. Vol. 102, no. 2. s. 307–13. doi:10.1650/0010-5422(2000)102[0307:SVTOIG]2.0.CO;2. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Rattenborg, Niels C. (2006). "Do birds sleep in flight?". Die Naturwissenschaften. Vol. 93, no. 9. s. 413–25. doi:10.1007/s00114-006-0120-3.
Milius, S. (1999). "Half-asleep birds choose which half dozes". Science News Online. Vol. 155. s. 86. doi:10.2307/4011301.
Beauchamp, Guy (1999). "The evolution of communal roosting in birds: origin and secondary losses". Behavioural Ecology. Vol. 10, no. 6. s. 675–87. doi:10.1093/beheco/10.6.675.
Buttemer, William A. (1985). "Energy relations of winter roost-site utilization by American goldfinches (Carduelis tristis)" (PDF). Oecologia. Vol. 68, no. 1. s. 126–32. doi:10.1007/BF00379484.
Buckley, F. G.; P. A. Buckley (1968). "Upside-down Resting by Young Green-Rumped Parrotlets (Forpus passerinus)". The Condor. Vol. 70, no. 1. s. 89. doi:10.2307/1366517.
Carpenter, F. Lynn (1974). "Torpor in an Andean Hummingbird: Its Ecological Significance". Science. Vol. 183, no. 4124. s. 545–47. doi:10.1126/science.183.4124.545. PMID 17773043.
McKechnie, Andrew E.; Robert A. M. Ashdown, Murray B. Christian and R. Mark Brigham (2007). "Torpor in an African caprimulgid, the freckled nightjar Caprimulgus tristigma". Journal of Avian Biology. Vol. 38, no. 3. s. 261–66. doi:10.1111/j.2007.0908-8857.04116.x.
Thomas, Betsy Trent; Stuart D. Strahl (1990). "Nesting Behavior of Sunbitterns (Eurypyga helias) in Venezuela" (PDF). The Condor. Vol. 92, no. 3. s. 576–81. doi:10.2307/1368675. {{cite news}}: Cite har en ukendt tom parameter: |month= (hjælp)
Pruett-Jones, S. G.; M. A. Pruett-Jones (1990). "Sexual Selection Through Female Choice in Lawes' Parotia, A Lek-Mating Bird of Paradise". Evolution. Vol. 44, no. 3. s. 486–501. doi:10.2307/2409431. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Jouventin, Pierre; Thierry Aubin and Thierry Lengagne (1999). "Finding a parent in a king penguin colony: the acoustic system of individual recognition". Animal Behaviour. Vol. 57, no. 6. s. 1175–83. doi:10.1006/anbe.1999.1086. PMID 10373249. {{cite news}}: Cite har en ukendt tom parameter: |month= (hjælp)
Templeton, Christopher N.; Greene och Kate Davis (2005). "Allometry of Alarm Calls: Black-Capped Chickadees Encode Information About Predator Size". Science. Vol. 308, no. 5730. s. 1934–37. doi:10.1126/science.1108841. PMID 15976305.
Terborgh, John (2005). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. Vol. 21, no. 2. s. 87–100. doi:10.1002/ajp.1350210203.
Hutto, Richard L. (988). "Foraging Behavior Patterns Suggest a Possible Cost Associated with Participation in Mixed-Species Bird Flocks". Oikos. Vol. 51, no. 1. s. 79–83. doi:10.2307/3565809. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Au, David W. K.; Robert L. Pitman (1986). "Seabird interactions with Dolphins and Tuna in the Eastern Tropical Pacific" (PDF). The Condor. Vol. 88, no. 3. s. 304–17. doi:10.2307/1368877. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Anne, O.; E. Rasa (1983). "Dwarf mongoose and hornbill mutualism in the Taru desert, Kenya". Behavioral Ecology and Sociobiology. Vol. 12, no. 3. s. 181–90. doi:10.1007/BF00290770. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Freed, Leonard A. (1987). "The Long-Term Pair Bond of Tropical House Wrens: Advantage or Constraint?". The American Naturalist. Vol. 130, no. 4. s. 507–25. doi:10.1086/284728.
Gowaty, Patricia A. (1983). "Male Parental Care and Apparent Monogamy among Eastern Bluebirds(Sialia sialis)". The American Naturalist. Vol. 121, no. 2. s. 149–60. doi:10.1086/284047.
Westneat, David F.; Ian R. K. Stewart (2003). "Extra-pair paternity in birds: Causes, correlates, and conflict". Annual Review of Ecology, Evolution, and Systematics. Vol. 34. s. 365–96. doi:10.1146/annurev.ecolsys.34.011802.132439. (Webside ikke længere tilgængelig)
Gowaty, Patricia A.; Nancy Buschhaus (1998). "Ultimate causation of aggressive and forced copulation in birds: Female resistance, the CODE hypothesis, and social monogamy". American Zoologist. Vol. 38, no. 1. s. 207–25. doi:10.1093/icb/38.1.207.
Sheldon, B (1994). "Male Phenotype, Fertility, and the Pursuit of Extra-Pair Copulations by Female Birds". Proceedings: Biological Sciences. Vol. 257, no. 1348. s. 25–30. doi:10.1098/rspb.1994.0089.
Wei, G; Z Yin, F Lei (2005). "Copulations and mate guarding of the Chinese Egret". Waterbirds. Vol. 28, no. 4. s. 527–30. doi:10.1675/1524-4695(2005)28[527:CAMGOT]2.0.CO;2.
Schamel, D; DM Tracy, DB Lank, DF Westneat (2004). "Mate guarding, copulation strategies and paternity in the sex-role reversed, socially polyandrous red-necked phalarope Phalaropus lobatus" (PDF). Behaviour Ecology and Sociobiology. Vol. 57, no. 2. s. 110–18. doi:10.1007/s00265-004-0825-2. Hentet 16. september 2013. {{cite news}}: |archive-url= kræver at |archive-date= også er angivet (hjælp)CS1-vedligeholdelse: Flere navne: authors list (link)
Cockburn, Andrew (2006). "Prevalence of different modes of parental care in birds". Proceedings: Biological Sciences. Vol. 273, no. 1592. s. 1375–83. doi:10.1098/rspb.2005.3458. PMID 16777726.

dx.doi.org

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): 367–76. doi:10.1111/j.0021-8790.2004.00813.x
Booker L, Booker M (1991). "Why Are Cuckoos Host Specific?" Oikos 57 (3): 301–09. doi:10.2307/3565958
Lafuma L, Lambrechts M, Raymond M (2001). "Aromatic plants in bird nests as a protection against blood-sucking flying insects?" Behavioural Processes 56 (2) 113–20. doi:10.1016/S0376-6357(01)00191-7
Ekman J (2006). "Family living amongst birds." Journal of Avian Biology 37 (4): 289–98. doi:10.1111/j.2006.0908-8857.03666.x
Schaefer HC, Eshiamwata GW, Munyekenye FB, Bohning-Gaese K (2004). "Life-history of two African Sylvia warblers: low annual fecundity and long post-fledging care." Ibis 146 (3): 427–37. 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): 434–44. doi:10.1111/j.0908-8857.2004.03290.x
Spottiswoode C, Colebrook-Robjent J (2007). "Egg puncturing by the brood parasitic Greater Honeyguide and potential host counteradaptations." Behavioral Ecology doi:10.1093/beheco/arm025

esf.edu

Turner, J. Scott (1997). "On the thermal capacity of a bird's egg warmed by a brood patch" (PDF). Physiological Zoology. Vol. 70, no. 4. s. 470–80. PMID 9237308. Arkiveret fra originalen (PDF) 9. april 2013. Hentet 16. september 2013.

fernbank.edu

fsc.fernbank.edu

"Skeleton of a typical bird". Fernbank Science Center's Ornithology Web. Læst 2013-05-23.

google.dk

books.google.dk

Inge Adriansen, Nationale symboler i det Danske Rige, 1830-2000, bind 2, side 400. Museum Tusculanums Forlag 2003 Google Books
Inge Adriansen, Nationale symboler i det Danske Rige, 1830-2000, bind 2, side 404. Museum Tusculanums Forlag 2003 Google Books

ivb.cz

Sales, James (2005). "The endangered kiwi: a review" (PDF). Folia Zoologica. Vol. 54, no. 1-2. s. 1–20.

jboyd.net

John H. Boyd Modern Birds: The Neornithes Arkiveret 18. marts 2012 hos Wayback Machine på www.jboyd.net
Det indbyrdes slægtskab følger diagrammet hos John H. Boyd "Tree View" i Aves - Taxonomy in Flux (TiF) Arkiveret 31. marts 2013 hos Wayback Machine på www.jboyd.net. Ordnerne følger: Gill, F & D Donsker "Family Links" i IOC World Bird Names. Version 3.3 (udgivet 30. januar 2013) Arkiveret 5. december 2013 hos Wayback Machine på www.worldbirdnames.org. Begge kilder læst 8. februar 2013
John H. Boyd III, Florida International University Aves—A Taxonomy in Flux Arkiveret 25. april 2013 hos Wayback Machine

jstor.org

Packard, Gary C. (1966). "The Influence of Ambient Temperature and Aridity on Modes of Reproduction and Excretion of Amniote Vertebrates". The American Naturalist. Vol. 100, no. 916. s. 667–82. doi:10.1086/282459.
Milius, S. (1999). "Half-asleep birds choose which half dozes". Science News Online. Vol. 155. s. 86. doi:10.2307/4011301.
Möller, Anders Pape (1988). "Badge size in the house sparrow Passer domesticus". Behavioral Ecology and Sociobiology. Vol. 22, no. 5. s. 373–78.

links.jstor.org

McNab, Brian K. (1994). "Energy Conservation and the Evolution of Flightlessness in Birds". The American Naturalist. Vol. 144, no. 4. s. 628–42. doi:10.1086/285697. {{cite news}}: Ukendt parameter |month= ignoreret (hjælp)
Jenkin, Penelope M. (1957). "The Filter-Feeding and Food of Flamingoes (Phoenicopteri)". Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. Vol. 240, no. 674. s. 401–93. doi:10.1098/rstb.1957.0004.

marineornithology.org

Pickering, S. P. C.; S. D. Berrow (2001). "Courtship behaviour of the Wandering Albatross Diomedea exulans at Bird Island, South Georgia" (PDF). Marine Ornithology. Vol. 29, no. 1. s. 29–37.

netfugl.dk

DK listen på www.netfugl.dk Arkiveret 5. september 2015 hos Wayback Machine Hentet 23. dec 2012

netnatur.dk

Flere fuglearter yngler i Danmark Arkiveret 10. december 2017 hos Wayback Machine netnatur.dk 16. december 2016

newzealandecology.org

Warham, John (1977). "The Incidence, Function and ecological significance of petrel stomach oils" (PDF). Proceedings of the New Zealand Ecological Society. Vol. 24. s. 84–93. doi:10.2307/1365556.

nih.gov

pubmed.ncbi.nlm.nih.gov

Dumbacher, J.P.; B.M. Beehler, T.F. Spande; et al. (1992). "omobatrachotoxin in the genus Pitohui: chemical defense in birds?". Science. Vol. 258, no. 5083. s. 799–801. doi:10.1126/science.1439786. PMID 1439786. {{cite news}}: Eksplicit brug af et al. i: |last2= (hjælp); Ukendt parameter |month= ignoreret (hjælp)
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