Black metaltail (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Black metaltail" in English language version.

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birdlife.org

HBW and BirdLife International (2020) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world Version 5. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v5_Dec20.zip [.xls zipped 1 MB] retrieved 27 May 2021

BirdLife International (2016). "Black Metaltail Metallura phoebe". IUCN Red List of Threatened Species. 2016: e.T22688012A93179925. doi:10.2305/IUCN.UK.2016-3.RLTS.T22688012A93179925.en. Retrieved 6 March 2022.
Heindl, M., G. M. Kirwan, P. F. D. Boesman, N. W. Mamani-Cabana, and T. S. Schulenberg (2021). Black Metaltail (Metallura phoebe), version 2.0. In Birds of the World (T. S. Schulenberg and B. K. Keeney, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.blamet1.02 retrieved March 6, 2022

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 31 January 2022. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm retrieved February 1, 2022

Gill, F.; Donsker, D.; Rasmussen, P., eds. (January 2022). "Hummingbirds". IOC World Bird List. v 12.1. Retrieved January 15, 2022.