Bird (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bird" in Simple English language version.

Last modified: 15:53:50, 26 July 2026 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

1311nih.gov

5^th place

1211doi.org

2^nd place

99web.archive.org

1^st place

76adsabs.harvard.edu

14^th place

17^th place

33archive.org

6^th place

3^rd place

22youtube.com

13^th place

23^rd place

22worldcat.org

4^th place

6^th place

11taxonomy.nl

4,760^th place

3,462^nd place

11science.org

1,007^th place

903^rd place

11en.wikisource.org

82^nd place

196^th place

11researchgate.net

96^th place

135^th place

11semanticscholar.org

15^th place

11^th place

11bbc.co.uk

11^th place

9^th place

11sciencedaily.com

1,390^th place

539^th place

11allaboutbirds.org

5,612^th place

2,605^th place

11birdlife.org

932^nd place

1,137^th place

adsabs.harvard.edu (Global: 14^th place; Simple English: 17^th place)

ui.adsabs.harvard.edu

Sayol, F.; Steinbauer, M. J.; Blackburn, T. M.; Antonelli, A.; Faurby, S. (2020). "Anthropogenic extinctions conceal widespread evolution of flightlessness in birds". Science Advances. 6 (49) eabb6095. Bibcode:2020SciA....6.6095S. doi:10.1126/sciadv.abb6095. PMC 7710364. PMID 33268368.
Freed, Leonard A. (1987). "The Long-Term Pair Bond of Tropical House Wrens: Advantage or Constraint?". The American Naturalist. 130 (4): 507–525. Bibcode:1987ANat..130..507F. 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. Bibcode:1983ANat..121..149G. doi:10.1086/284047. ISSN 0003-0147. S2CID 84258620.
Chatterjee, Sankar; Templin, R. Jack (2003). "The flight of Archaeopteryx". Naturwissenschaften. 90 (1): 27–32. Bibcode:2003NW.....90...27C. doi:10.1007/s00114-002-0385-0. PMID 12545240.
Longrich, Nicholas R.; Vinther, Jakob; Meng, Qingjin; Li, Quangguo; Russell, Anthony P. (2012). "Primitive Wing Feather Arrangement in Archaeopteryx lithographica and Anchiornis huxleyi". Current Biology. 22 (23): 2262–2267. Bibcode:2012CBio...22.2262L. doi:10.1016/j.cub.2012.09.052. PMID 23177480.
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.

allaboutbirds.org (Global: 5,612^th place; Simple English: 2,605^th place)

Devokaitis, Marc 2018. Global Report: 40% of world’s birds are in decline Archived 2019-05-25 at the Wayback Machine All About Birds

archive.org (Global: 6^th place; Simple English: 3^rd place)

Freed, Leonard A. (1987). "The Long-Term Pair Bond of Tropical House Wrens: Advantage or Constraint?". The American Naturalist. 130 (4): 507–525. Bibcode:1987ANat..130..507F. 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. Bibcode:1983ANat..121..149G. doi:10.1086/284047. ISSN 0003-0147. S2CID 84258620.
Gauthier, Jacques (1986). "Saurischian monophyly and the origin of birds". In Kevin Padian (ed.). The origin of birds and the evolution of flight. Memoirs of the California Academy of Science 8. San Francisco, CA: Published by California Academy of Sciences. pp. 1–55. ISBN 0-940228-14-9.

bbc.co.uk (Global: 11^th place; Simple English: 9^th place)

Lucy Hodson [Discovery_Cards-[Multi_Site]-[SL06]-[PS_SOUNDS~N~~A_ABeginnersGuideToBirdSong Archived 2021-07-02 at the Wayback Machine]

birdlife.org (Global: 932^nd place; Simple English: 1,137^th place)

datazone.birdlife.org

"State of the World's Birds 2024 Annual Update". BirdLife DataZone. Retrieved 2025-12-04.

doi.org (Global: 2^nd place; Simple English: 2^nd place)

Prum, Richard O. (2008-12-19). "Who's Your Daddy?". Science. 322 (5909): 1799–1800. doi:10.1126/science.1168808. PMID 19095929.
Terborgh, J. (1990). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. 21 (2): 87–100. doi:10.1002/ajp.1350210203. PMID 31963979.
Sayol, F.; Steinbauer, M. J.; Blackburn, T. M.; Antonelli, A.; Faurby, S. (2020). "Anthropogenic extinctions conceal widespread evolution of flightlessness in birds". Science Advances. 6 (49) eabb6095. Bibcode:2020SciA....6.6095S. doi:10.1126/sciadv.abb6095. PMC 7710364. PMID 33268368.
Freed, Leonard A. (1987). "The Long-Term Pair Bond of Tropical House Wrens: Advantage or Constraint?". The American Naturalist. 130 (4): 507–525. Bibcode:1987ANat..130..507F. 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. Bibcode:1983ANat..121..149G. doi:10.1086/284047. ISSN 0003-0147. S2CID 84258620.
Meurisse, M.; Gonzalez, A.; Delsol, G.; Caba, M.; Lévy, F.; Poindron, P. (2005). "Estradiol receptor-alpha expression in hypothalamic and limbic regions of ewes is influenced by physiological state and maternal experience". Hormones and Behavior. 48 (1): 34–43. doi:10.1016/j.yhbeh.2005.02.007. PMID 15919383.
Thorpe, W. H. (1958). "The Learning of Song Patterns by Birds, with Especial Reference to the Song of the Chaffinch Fringilla Coelebs". Ibis. 100 (4): 535–570. doi:10.1111/j.1474-919X.1958.tb07960.x.
Livezey, BC; Zusi, RL (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. ISSN 0024-4082. PMC 2517308. PMID 18784798.
Chatterjee, Sankar; Templin, R. Jack (2003). "The flight of Archaeopteryx". Naturwissenschaften. 90 (1): 27–32. Bibcode:2003NW.....90...27C. doi:10.1007/s00114-002-0385-0. PMID 12545240.
Longrich, Nicholas R.; Vinther, Jakob; Meng, Qingjin; Li, Quangguo; Russell, Anthony P. (2012). "Primitive Wing Feather Arrangement in Archaeopteryx lithographica and Anchiornis huxleyi". Current Biology. 22 (23): 2262–2267. Bibcode:2012CBio...22.2262L. doi:10.1016/j.cub.2012.09.052. PMID 23177480.
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.

en.wikisource.org (Global: 82^nd place; Simple English: 196^th place)

Spalding D.A. 1873. Macmillan's Magazine 27, 282–293. Popular Science Monthly gives the same content: Archived 2021-07-09 at the Wayback Machine

nih.gov (Global: 5^th place; Simple English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Prum, Richard O. (2008-12-19). "Who's Your Daddy?". Science. 322 (5909): 1799–1800. doi:10.1126/science.1168808. PMID 19095929.
Terborgh, J. (1990). "Mixed flocks and polyspecific associations: Costs and benefits of mixed groups to birds and monkeys". American Journal of Primatology. 21 (2): 87–100. doi:10.1002/ajp.1350210203. PMID 31963979.
Sayol, F.; Steinbauer, M. J.; Blackburn, T. M.; Antonelli, A.; Faurby, S. (2020). "Anthropogenic extinctions conceal widespread evolution of flightlessness in birds". Science Advances. 6 (49) eabb6095. Bibcode:2020SciA....6.6095S. doi:10.1126/sciadv.abb6095. PMC 7710364. PMID 33268368.
Meurisse, M.; Gonzalez, A.; Delsol, G.; Caba, M.; Lévy, F.; Poindron, P. (2005). "Estradiol receptor-alpha expression in hypothalamic and limbic regions of ewes is influenced by physiological state and maternal experience". Hormones and Behavior. 48 (1): 34–43. doi:10.1016/j.yhbeh.2005.02.007. PMID 15919383.
Livezey, BC; Zusi, RL (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. ISSN 0024-4082. PMC 2517308. PMID 18784798.
Chatterjee, Sankar; Templin, R. Jack (2003). "The flight of Archaeopteryx". Naturwissenschaften. 90 (1): 27–32. Bibcode:2003NW.....90...27C. doi:10.1007/s00114-002-0385-0. PMID 12545240.
Longrich, Nicholas R.; Vinther, Jakob; Meng, Qingjin; Li, Quangguo; Russell, Anthony P. (2012). "Primitive Wing Feather Arrangement in Archaeopteryx lithographica and Anchiornis huxleyi". Current Biology. 22 (23): 2262–2267. Bibcode:2012CBio...22.2262L. doi:10.1016/j.cub.2012.09.052. PMID 23177480.
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.

ncbi.nlm.nih.gov

Sayol, F.; Steinbauer, M. J.; Blackburn, T. M.; Antonelli, A.; Faurby, S. (2020). "Anthropogenic extinctions conceal widespread evolution of flightlessness in birds". Science Advances. 6 (49) eabb6095. Bibcode:2020SciA....6.6095S. doi:10.1126/sciadv.abb6095. PMC 7710364. PMID 33268368.
Livezey, BC; Zusi, RL (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. ISSN 0024-4082. PMC 2517308. PMID 18784798.
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.

researchgate.net (Global: 96^th place; Simple English: 135^th place)

Zaher, Mostafa 2012. Anatomical, histological and histochemical adaptations of the avian alimentary canal to their food habits: I-Coturnix coturnix. Life Science Journal 9: 252–275. Archived 2021-10-29 at the Wayback Machine

science.org (Global: 1,007^th place; Simple English: 903^rd place)

Prum, Richard O. (2008-12-19). "Who's Your Daddy?". Science. 322 (5909): 1799–1800. doi:10.1126/science.1168808. PMID 19095929.

sciencedaily.com (Global: 1,390^th place; Simple English: 539^th place)

Influence of Earth's history on the dawn of modern birds. www.sciencedaily.com. American Museum of Natural History 2015. Archived 2019-04-03 at the Wayback Machine

semanticscholar.org (Global: 15^th place; Simple English: 11^th place)

api.semanticscholar.org

Gowaty, Patricia A. (1983). "Male parental care and apparent monogamy among Eastern Bluebirds (Sialia sialis)". The American Naturalist. 121 (2): 149–160. Bibcode:1983ANat..121..149G. doi:10.1086/284047. ISSN 0003-0147. S2CID 84258620.

taxonomy.nl (Global: 4,760^th place; Simple English: 3,462^nd place)

taxonomicon.taxonomy.nl

Brands, Sheila (14 August 2008). "Systema Naturae 2000 / Classification, Class Aves". Project: The Taxonomicon. Archived from the original on 5 May 2008. Retrieved 11 June 2012.

web.archive.org (Global: 1^st place; Simple English: 1^st place)

Brands, Sheila (14 August 2008). "Systema Naturae 2000 / Classification, Class Aves". Project: The Taxonomicon. Archived from the original on 5 May 2008. Retrieved 11 June 2012.
Prum, Richard O. 1999. Development and evolutionary origin of feathers. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution. 285 (4): 291–306.
Spalding D.A. 1873. Macmillan's Magazine 27, 282–293. Popular Science Monthly gives the same content: Archived 2021-07-09 at the Wayback Machine
As a matter of fact, we know that dinosaurs developed wings a number of times in their evolution from small dinosaur raptors. Benton, Michael Archived 2022-02-24 at the Wayback Machine
Zaher, Mostafa 2012. Anatomical, histological and histochemical adaptations of the avian alimentary canal to their food habits: I-Coturnix coturnix. Life Science Journal 9: 252–275. Archived 2021-10-29 at the Wayback Machine
Blue heron swallows large prey. Archived 2020-02-28 at the Wayback Machine
Lucy Hodson [Discovery_Cards-[Multi_Site]-[SL06]-[PS_SOUNDS~N~~A_ABeginnersGuideToBirdSong Archived 2021-07-02 at the Wayback Machine]
Influence of Earth's history on the dawn of modern birds. www.sciencedaily.com. American Museum of Natural History 2015. Archived 2019-04-03 at the Wayback Machine
Devokaitis, Marc 2018. Global Report: 40% of world’s birds are in decline Archived 2019-05-25 at the Wayback Machine All About Birds

worldcat.org (Global: 4^th place; Simple English: 6^th place)

search.worldcat.org

Gowaty, Patricia A. (1983). "Male parental care and apparent monogamy among Eastern Bluebirds (Sialia sialis)". The American Naturalist. 121 (2): 149–160. Bibcode:1983ANat..121..149G. doi:10.1086/284047. ISSN 0003-0147. S2CID 84258620.
Livezey, BC; Zusi, RL (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. ISSN 0024-4082. PMC 2517308. PMID 18784798.

youtube.com (Global: 13^th place; Simple English: 23^rd place)

As a matter of fact, we know that dinosaurs developed wings a number of times in their evolution from small dinosaur raptors. Benton, Michael Archived 2022-02-24 at the Wayback Machine
Blue heron swallows large prey. Archived 2020-02-28 at the Wayback Machine

Bird (Simple English Wikipedia)

adsabs.harvard.edu (Global: 14th place; Simple English: 17th place)

ui.adsabs.harvard.edu

allaboutbirds.org (Global: 5,612th place; Simple English: 2,605th place)

archive.org (Global: 6th place; Simple English: 3rd place)

bbc.co.uk (Global: 11th place; Simple English: 9th place)

birdlife.org (Global: 932nd place; Simple English: 1,137th place)

datazone.birdlife.org

doi.org (Global: 2nd place; Simple English: 2nd place)

en.wikisource.org (Global: 82nd place; Simple English: 196th place)

nih.gov (Global: 5th place; Simple English: 5th place)