Greyish piculet (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Greyish piculet" in English language version.

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2^nd place

88^th place

160^th place

1,007^th place

1,255^th place

3,324^th place

2,257^th place

doi.org

BirdLife International (2018). "Greyish Piculet Picumnus granadensis". IUCN Red List of Threatened Species. 2018: e.T22680777A130029087. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680777A130029087.en. Retrieved 16 January 2023.
Winkler, H. and D. A. Christie (2020). Grayish Piculet (Picumnus granadensis), 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.grapic1.01 retrieved January 16, 2023

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

Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Woodpeckers". IOC World Bird List. v 12.2. Retrieved January 9, 2023.