Grey-backed hawk (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grey-backed hawk" in English language version.

refsWebsite
Global rank English rank
2nd place
2nd place
88th place
160th place
1,007th place
1,255th place
3,324th place
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2,179th place
1,991st place

birdlife.org

datazone.birdlife.org

cornell.edu

birds.cornell.edu

  • Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of birds of the world: v2022. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ retrieved November 10, 2022

doi.org

  • BirdLife International (2016). "Grey-backed Hawk Pseudastur occidentalis". IUCN Red List of Threatened Species. 2016: e.T22695789A93528212. doi:10.2305/IUCN.UK.2016-3.RLTS.T22695789A93528212.en. Retrieved 10 December 2022.
  • Bierregaard, R. O., G. M. Kirwan, D. A. Christie, and P. F. D. Boesman (2020). Gray-backed Hawk (Pseudastur occidentalis), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.gybhaw2.01 retrieved December 10, 2022

iucnredlist.org

  • BirdLife International (2016). "Grey-backed Hawk Pseudastur occidentalis". IUCN Red List of Threatened Species. 2016: e.T22695789A93528212. doi:10.2305/IUCN.UK.2016-3.RLTS.T22695789A93528212.en. Retrieved 10 December 2022.

lsu.edu

museum.lsu.edu

  • Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 24 July 2022. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved July 24, 2022

worldbirdnames.org