Crested guan (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Crested guan" in English language version.

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books.google.com

Gilbert, K. and T. S. Schulenberg (2020). Crested Guan (Penelope purpurascens), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.cregua1.01 retrieved April 6, 2024

BirdLife International (2021). "Crested Guan Penelope purpurascens". IUCN Red List of Threatened Species. 2021: e.T22678376A137687015. Retrieved 6 April 2024.

Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, G. Del-Rio, A. Jaramillo, D. F. Lane, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 4 March 2024. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm retrieved March 5, 2024

Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (January 2024). "Megapodes, guans, guineafowl, New World quail". IOC World Bird List. v 14.1. Retrieved April 6, 2024.