鳥群
進化するにつれ、鳥群の尾は短くなり、尾端骨へとなった。約9500万年前の白亜紀の後半になると、現生鳥類の祖先は、嗅覚も発達させた[13]。
脚注^ Alonso, P. D.; Milner, A. C.; Ketcham, R. A.; Cookson, M. J.; Rowe, T. B. (2004). ⇒“The avian nature of the brain and inner ear of Archaeopteryx”. Nature 430 (7000): 666?669. doi:10.1038/nature02706. .mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation.cs-ja1 q,.mw-parser-output .citation.cs-ja2 q{quotes:"「""」""『""』"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free a,.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription a,.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#3a3;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}PMID 15295597. ⇒http://www.ucm.es/info/paleo/personal/patricio/DMKCR-2004.pdf. ⇒Supplementary info
^ Hu, D.; Hou, L.; Zhang, L. & Xu, X. (2009). “A pre-Archaeopteryx troodontid theropod from China with long feathers on the metatarsus”. Nature 461 (7264): 640?643. Bibcode: 2009Natur.461..640H. doi:10.1038/nature08322. PMID 19794491.
^ Liu Y.-Q.; Kuang H.-W.; Jiang X.-J.; Peng N.; Xu H.; Sun H.-Y. (2012). “Timing of the earliest known feathered dinosaurs and transitional pterosaurs older than the Jehol Biota”. Palaeogeography, Palaeoclimatology, Palaeoecology 323?325: 1?12. doi:10.1016/j.palaeo.2012.01.017.
^ Weishampel, David B.; Dodson, Peter; Osmolska, Halszka (eds.) (2004). The Dinosauria, Second Edition. University of California Press., 861 pp.
^ Senter, P. (2007). "A new look at the phylogeny of Coelurosauria (Dinosauria: Theropoda)." Journal of Systematic Palaeontology, (doi:10.1017/S1477201907002143).
^ Federico L. Agnolin and Fernando E. Novas (2013). “Avian ancestors. A review of the phylogenetic relationships of the theropods Unenlagiidae, Microraptoria, Anchiornis and Scansoriopterygidae”. SpringerBriefs in Earth System Sciences. SpringerBriefs in Earth System Sciences: 1?96. doi:10.1007/978-94-007-5637-3. ISBN 978-94-007-5636-6.
^ Gauthier, J. (1986). "Saurischian monophyly and the origin of birds." In: K. Padian, ed. The origin of birds and the evolution of flight. San Francisco: California, Acad.Sci. pp.1?55. (Mem.Calif.Acad.Sci.8.)
^ a b Gauthier, J., and de Queiroz, K. (2001). "Feathered dinosaurs, flying dinosaurs, crown dinosaurs, and the name Aves." Pp. 7-41 in New perspectives on the origin and early evolution of birds: proceedings of the International Symposium in Honor of John H. Ostrom (J. A. Gauthier and L. F. Gall, eds.). Peabody Museum of Natural History, Yale University, New Haven, Connecticut, U.S.A.
^ a b Pascal Godefroit, Andrea Cau, Hu Dong-Yu, Francois Escuillie, Wu Wenhao and Gareth Dyke (2013). “A Jurassic avialan dinosaur from China resolves the early phylogenetic history of birds”. Nature in press (7454): 359?62. Bibcode: 2013Natur.498..359G. doi:10.1038/nature12168. PMID 23719374.
^ 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. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4476167/.
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^ a b Chiappe, Luis M. (2007). Glorified Dinosaurs: The Origin and Early Evolution of Birds. Sydney: University of New South Wales Press. ISBN 978-0-86840-413-4
^ Agency France-Presse (2011年4月13日). “ ⇒Birds survived dino extinction with keen senses”. Cosmos Magazine. 2012年6月11日閲覧。
関連項目
鳥の飛行（英語版）
羽毛恐竜
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