Turquoise-crowned hummingbird (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Turquoise-crowned hummingbird" in English language version.

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biodiversitylibrary.org

Bourcier, Jules (1847). "Troch. Doubledayi". Proceedings of the Zoological Society of London. XV: 46. Retrieved July 30, 2022.

HBW and BirdLife International (2021) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 6. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v6_Dec21.zip retrieved August 7, 2022

Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ Retrieved August 25, 2021

BirdLife International (2021). "Turquoise-crowned Hummingbird Cynanthus doubledayi". IUCN Red List of Threatened Species. 2021: e.T22725775A168975499. doi:10.2305/IUCN.UK.2021-3.RLTS.T22725775A168975499.en. Retrieved 30 July 2022.
Powers, D. R. and S. M. Wethington (2021). Turquoise-crowned Hummingbird (Cynanthus doubledayi), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.brbhum2.01 retrieved July 30, 2022

Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Hummingbirds". IOC World Bird List. v 12.2. Retrieved August 9, 2022.