Buffy helmetcrest (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Buffy helmetcrest" in English language version.

refsWebsite

Global rank English rank

2^nd place

88^th place

160^th place

2,927^th place

2,249^th place

1,007^th place

1,255^th place

2,179^th place

1,991^st place

low place

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 (2021). "Oxypogon stuebelii". IUCN Red List of Threatened Species. 2021: e.T22726810A190694196. doi:10.2305/IUCN.UK.2021-3.RLTS.T22726810A190694196.en. Retrieved 10 September 2024.
del Hoyo, J., N. Collar, C. J. Sharpe, G. M. Kirwan, and P. F. D. Boesman (2020). Buffy Helmetcrest (Oxypogon stuebelii), 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.bufhel1.01 retrieved February 25, 2022
del Hoyo, J., N. Collar, C. J. Sharpe, G. M. Kirwan, and P. F. D. Boesman (2020). White-bearded Helmetcrest (Oxypogon lindenii), 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.whbhel1.01 retrieved February 25, 2022

Collar, Nigel J.; Salaman, Paul (2013). "The taxonomic and conservation status of the Oxypogon helmetcrests" (PDF). Conservación Colombiana. 19: 31–38.

Gill, F.; Donsker, D.; Rasmussen, P., eds. (2023). "Hummingbirds". IOC World Bird List. v 13.2. Retrieved 21 December 2023.