Woodburne, Michael O.; Goin, Francisco J.; Raigemborn, Maria Sol; Heizler, Matt; Gelfo, Javier N.; Oliveira, Edison V. (Ekim 2014). "Revised timing of the South American early Paleogene land mammal ages". Journal of South American Earth Sciences. Cilt 54. ss. 109-119. Bibcode:2014JSAES..54..109W. doi:10.1016/j.jsames.2014.05.003.
Worthy, Trevor H. (Mart 2012). "A phabine pigeon (Aves:Columbidae) from Oligo-Miocene Australia". Emu - Austral Ornithology. 112 (1). ss. 23-31. doi:10.1071/MU11061.
Mayr, Gerald (18 Temmuz 2021). "An early Eocene fossil from the British London Clay elucidates the evolutionary history of the enigmatic Archaeotrogonidae (Aves, Strisores)". Papers in Palaeontology. ss. spp2.1392. doi:10.1002/spp2.1392.
Field, Daniel J.; Hsiang, Allison Y. (Aralık 2018). "A North American stem turaco, and the complex biogeographic history of modern birds". BMC Evolutionary Biology. 18 (1). s. 102. doi:10.1186/s12862-018-1212-3. PMC6016133 $2. PMID29936914.
Mayr, Gerald; De Pietri, Vanesa L. (Şubat 2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. 101 (2). ss. 143-148. Bibcode:2014NW....101..143M. doi:10.1007/s00114-014-1144-8. PMID24441712.
Stidham, Thomas A. (Mart 2015). "A new species of Limnofregata (Pelecaniformes: Fregatidae) from the Early Eocene Wasatch Formation of Wyoming: implications for palaeoecology and palaeobiology". Palaeontology. 58 (2). ss. 239-249. doi:10.1111/pala.12134.
Smith, Nd; Ksepka, Dt (2015). "Five well-supported fossil calibrations within the "Waterbird" assemblage (Tetrapoda, Aves)". Palaeontologia Electronica. doi:10.26879/483.
Mayr, Gerald; Scofield, R. Paul (2 Ocak 2016). "New avian remains from the Paleocene of New Zealand: the first early Cenozoic Phaethontiformes (tropicbirds) from the Southern Hemisphere". Journal of Vertebrate Paleontology. 36 (1). ss. e1031343. doi:10.1080/02724634.2015.1031343.
Mayr, Gerald; Smith, Thierry (22 Mart 2019). "A diverse bird assemblage from the Ypresian of Belgium furthers knowledge of early Eocene avifaunas of the North Sea Basin". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 291 (3). ss. 253-281. doi:10.1127/njgpa/2019/0801.
Ksepka, Daniel T.; Stidham, Thomas A.; Williamson, Thomas E. (25 Temmuz 2017). "Early Paleocene landbird supports rapid phylogenetic and morphological diversification of crown birds after the K–Pg mass extinction". Proceedings of the National Academy of Sciences. 114 (30). s. 8047–8052. Bibcode:2017PNAS..114.8047K. doi:10.1073/pnas.1700188114. PMC5544281 $2. PMID28696285.
Mayr, Gerald; Smith, Thierry (2019). "New Paleocene bird fossils from the North Sea Basin in Belgium and France". Geologica Belgica. 22 (1–2). ss. 35-46. doi:10.20341/gb.2019.003.
Oliveros, Carl H.; Field, Daniel J.; Ksepka, Daniel T.; Barker, F. Keith; Aleixo, Alexandre; Andersen, Michael J.; Alström, Per; Benz, Brett W.; Braun, Edward L.; Braun, Michael J.; Bravo, Gustavo A.; Brumfield, Robb T.; Chesser, R. Terry; Claramunt, Santiago; Cracraft, Joel; Cuervo, Andrés M.; Derryberry, Elizabeth P.; Glenn, Travis C.; Harvey, Michael G.; Hosner, Peter A.; Joseph, Leo; Kimball, Rebecca T.; Mack, Andrew L.; Miskelly, Colin M.; Peterson, A. Townsend; Robbins, Mark B.; Sheldon, Frederick H.; Silveira, Luís Fábio; Smith, Brian Tilston; White, Noor D.; Moyle, Robert G.; Faircloth, Brant C. (16 Nisan 2019). "Earth history and the passerine superradiation". Proceedings of the National Academy of Sciences. 116 (16). ss. 7916-7925. doi:10.1073/pnas.1813206116. PMC6475423 $2. PMID30936315.
Livezey, Bradley C.; Zusi, RL (Ocak 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). ss. 1-95. doi:10.1111/j.1096-3642.2006.00293.x. PMC2517308 $2. PMID18784798.
Godefroit, Pascal; Cau, Andrea; Dong-Yu, Hu; Escuillié, François; Wenhao, Wu; Dyke, Gareth (2013). "A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds". Nature. 498 (7454). ss. 359-362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID23719374.
Senter, P (2007). "A new look at the phylogeny of Coelurosauria (Dinosauria: Theropoda)". Journal of Systematic Palaeontology. 5 (4). ss. 429-463. doi:10.1017/S1477201907002143.
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. Cilt 3. ss. e1032. doi:10.7717/peerj.1032. PMC4476167 $2. PMID26157616.
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). s. 6987. Bibcode:2015NatCo...6E6987W. doi:10.1038/ncomms7987. PMC5426517 $2. PMID25942493.
Clarke, J.A.; Zhou, Z.; Zhang, F. (Mart 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). ss. 287-308. doi:10.1111/j.1469-7580.2006.00534.x. PMC2100246 $2. PMID16533313.
Brown, Joseph W.; Payne, RB; Mindell, DP (Haziran 2007). "Nuclear DNA does not reconcile 'rocks' and 'clocks' in Neoaves: a comment on Ericson et al". Biology Letters. 3 (3). ss. 257-259. doi:10.1098/rsbl.2006.0611. PMC2464679 $2. PMID17389215.
Arendt, Wayne J. (1 Ocak 1988). "Range Expansion of the Cattle Egret, (Bubulcus ibis) in the Greater Caribbean Basin". Colonial Waterbirds. 11 (2). ss. 252-262. doi:10.2307/1521007. JSTOR1521007.
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). ss. 1025-1034. doi:10.1242/jeb.01495. PMID15767304.
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). ss. 749-755. doi:10.1016/S1095-6433(03)00006-0. PMID12814783.
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). ss. 667-682. doi:10.1086/282459. JSTOR2459303.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (Ocak 2000). "Empirical evidence for differential organ reductions during trans-oceanic bird flight". Proceedings of the Royal Society B. 267 (1439). ss. 191-195. doi:10.1098/rspb.2000.0986. PMC1690512 $2. PMID10687826. (Erratum Proceedings of the Royal Society B267(1461):2567.)
"Skeleton of a typical bird". Fernbank Science Center's Ornithology Web. 8 Ağustos 2017 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007.
Woodburne, Michael O.; Goin, Francisco J.; Raigemborn, Maria Sol; Heizler, Matt; Gelfo, Javier N.; Oliveira, Edison V. (Ekim 2014). "Revised timing of the South American early Paleogene land mammal ages". Journal of South American Earth Sciences. Cilt 54. ss. 109-119. Bibcode:2014JSAES..54..109W. doi:10.1016/j.jsames.2014.05.003.
Mayr, Gerald; De Pietri, Vanesa L. (Şubat 2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. 101 (2). ss. 143-148. Bibcode:2014NW....101..143M. doi:10.1007/s00114-014-1144-8. PMID24441712.
Ksepka, Daniel T.; Stidham, Thomas A.; Williamson, Thomas E. (25 Temmuz 2017). "Early Paleocene landbird supports rapid phylogenetic and morphological diversification of crown birds after the K–Pg mass extinction". Proceedings of the National Academy of Sciences. 114 (30). s. 8047–8052. Bibcode:2017PNAS..114.8047K. doi:10.1073/pnas.1700188114. PMC5544281 $2. PMID28696285.
Godefroit, Pascal; Cau, Andrea; Dong-Yu, Hu; Escuillié, François; Wenhao, Wu; Dyke, Gareth (2013). "A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds". Nature. 498 (7454). ss. 359-362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID23719374.
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). s. 6987. Bibcode:2015NatCo...6E6987W. doi:10.1038/ncomms7987. PMC5426517 $2. PMID25942493.
Boyd, John (2007). "NEORNITHES: 46 Orders"(PDF). John Boyd's website. 6 Ağustos 2010 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 30 Aralık 2017.
jstor.org
Arendt, Wayne J. (1 Ocak 1988). "Range Expansion of the Cattle Egret, (Bubulcus ibis) in the Greater Caribbean Basin". Colonial Waterbirds. 11 (2). ss. 252-262. doi:10.2307/1521007. JSTOR1521007.
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). ss. 667-682. doi:10.1086/282459. JSTOR2459303.
Field, Daniel J.; Hsiang, Allison Y. (Aralık 2018). "A North American stem turaco, and the complex biogeographic history of modern birds". BMC Evolutionary Biology. 18 (1). s. 102. doi:10.1186/s12862-018-1212-3. PMC6016133 $2. PMID29936914.
Mayr, Gerald; De Pietri, Vanesa L. (Şubat 2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. 101 (2). ss. 143-148. Bibcode:2014NW....101..143M. doi:10.1007/s00114-014-1144-8. PMID24441712.
Ksepka, Daniel T.; Stidham, Thomas A.; Williamson, Thomas E. (25 Temmuz 2017). "Early Paleocene landbird supports rapid phylogenetic and morphological diversification of crown birds after the K–Pg mass extinction". Proceedings of the National Academy of Sciences. 114 (30). s. 8047–8052. Bibcode:2017PNAS..114.8047K. doi:10.1073/pnas.1700188114. PMC5544281 $2. PMID28696285.
Oliveros, Carl H.; Field, Daniel J.; Ksepka, Daniel T.; Barker, F. Keith; Aleixo, Alexandre; Andersen, Michael J.; Alström, Per; Benz, Brett W.; Braun, Edward L.; Braun, Michael J.; Bravo, Gustavo A.; Brumfield, Robb T.; Chesser, R. Terry; Claramunt, Santiago; Cracraft, Joel; Cuervo, Andrés M.; Derryberry, Elizabeth P.; Glenn, Travis C.; Harvey, Michael G.; Hosner, Peter A.; Joseph, Leo; Kimball, Rebecca T.; Mack, Andrew L.; Miskelly, Colin M.; Peterson, A. Townsend; Robbins, Mark B.; Sheldon, Frederick H.; Silveira, Luís Fábio; Smith, Brian Tilston; White, Noor D.; Moyle, Robert G.; Faircloth, Brant C. (16 Nisan 2019). "Earth history and the passerine superradiation". Proceedings of the National Academy of Sciences. 116 (16). ss. 7916-7925. doi:10.1073/pnas.1813206116. PMC6475423 $2. PMID30936315.
Livezey, Bradley C.; Zusi, RL (Ocak 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). ss. 1-95. doi:10.1111/j.1096-3642.2006.00293.x. PMC2517308 $2. PMID18784798.
Godefroit, Pascal; Cau, Andrea; Dong-Yu, Hu; Escuillié, François; Wenhao, Wu; Dyke, Gareth (2013). "A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds". Nature. 498 (7454). ss. 359-362. Bibcode:2013Natur.498..359G. doi:10.1038/nature12168. PMID23719374.
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. Cilt 3. ss. e1032. doi:10.7717/peerj.1032. PMC4476167 $2. PMID26157616.
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). s. 6987. Bibcode:2015NatCo...6E6987W. doi:10.1038/ncomms7987. PMC5426517 $2. PMID25942493.
Clarke, J.A.; Zhou, Z.; Zhang, F. (Mart 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). ss. 287-308. doi:10.1111/j.1469-7580.2006.00534.x. PMC2100246 $2. PMID16533313.
Brown, Joseph W.; Payne, RB; Mindell, DP (Haziran 2007). "Nuclear DNA does not reconcile 'rocks' and 'clocks' in Neoaves: a comment on Ericson et al". Biology Letters. 3 (3). ss. 257-259. doi:10.1098/rsbl.2006.0611. PMC2464679 $2. PMID17389215.
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). ss. 1025-1034. doi:10.1242/jeb.01495. PMID15767304.
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). ss. 749-755. doi:10.1016/S1095-6433(03)00006-0. PMID12814783.
Battley, Phil F.; Piersma, T; Dietz, MW; Tang, S; Dekinga, A; Hulsman, K (Ocak 2000). "Empirical evidence for differential organ reductions during trans-oceanic bird flight". Proceedings of the Royal Society B. 267 (1439). ss. 191-195. doi:10.1098/rspb.2000.0986. PMC1690512 $2. PMID10687826. (Erratum Proceedings of the Royal Society B267(1461):2567.)
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl (1988). "Adaptations for Flight". Birds of Stanford. Stanford University. 29 Ocak 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007. The Birder's Handbook'tan alıntı (Paul Ehrlich, David Dobkin ve Darryl Wheye. 1988. Simon and Schuster, New York.)
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl (1988). "Drinking". Birds of Stanford. Stanford University. 2 Mayıs 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007.
Boyd, John (2007). "NEORNITHES: 46 Orders"(PDF). John Boyd's website. 6 Ağustos 2010 tarihinde kaynağından(PDF) arşivlendi. Erişim tarihi: 30 Aralık 2017.
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl (1988). "Adaptations for Flight". Birds of Stanford. Stanford University. 29 Ocak 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007. The Birder's Handbook'tan alıntı (Paul Ehrlich, David Dobkin ve Darryl Wheye. 1988. Simon and Schuster, New York.)
Noll, Paul. "The Avian Skeleton". paulnoll.com. 31 Mayıs 2020 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007.
"Skeleton of a typical bird". Fernbank Science Center's Ornithology Web. 8 Ağustos 2017 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007.
Ehrlich, Paul R.; Dobkin, David S.; Wheye, Darryl (1988). "Drinking". Birds of Stanford. Stanford University. 2 Mayıs 2006 tarihinde kaynağından arşivlendi. Erişim tarihi: 13 Aralık 2007.
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. OCLC517185.