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Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., Şekercioğlu, Ç.H. and Butchart, S.H.M. 2020. Generation lengths of the world’s birds and their implications for extinction risk. Conservation Biology 34(5): 1252-1261. DOI: 10.1111/cobi.13486.

eBird. 2022. eBird: An online database of bird distribution and abundance [web application]. Ithaca, New York. eBird, Cornell Lab of Ornithology. Available at: http://www.ebird.org.

Fjeldså, J. and Krabbe, N. 1990. Birds of the High Andes. Apollo Books, Copenhagen.

Freile, J.F., Santander G.T., Jiménez-Uzcátegui, G., Carrasco, L., Cisneros-Heredia, D.F., Guevara, E.A., Sánchez-Nivicela, M. and Tinoco, B.A. 2019. Lista roja de las aves del Ecuador. Ministerio del Ambiente, Aves y Conservación, Comité Ecuatoriano de Registros Ornitológicos, Fundación Charles Darwin, Universidad del Azuay, Red Aves Ecuador, Universidad San Francisco de Quito, Quito, Ecuador.

GBIF.org. 2022. GBIF Occurrence Download (13 October 2022): Eriocnemis derbyi. Available at: https://doi.org/10.15468/dl.b6kbfr.

Global Forest Watch. 2022. Interactive Forest Change Mapping Tool. Available at: http://www.globalforestwatch.org/.

Hansen, M.C., Potapov, P.V., Moore, R., Hancher, M., Turubanova, S.A., Tyukavina, A., Thau, D., Stehman, S.V., Goetz, S.J., Loveland, T.R., Kommareddy, A., Egorov, A., Chini, L., Justice, C.O. and Townshend, J.R.G. 2013. High-resolution global maps of 21st-century forest cover change. Science 342: 850-853.

Heynen, I., Boesman, P. F. D. 2020. Black-thighed Puffleg (Eriocnemis derbyi), version 1.0. Ithaca, NY, USA. Cornell Lab of Ornithology. Available at: https://doi.org/10.2173/bow.bltpuf1.01.

Hilty, S. L.; Brown, W. L. 1986. A guide to the birds of Colombia. Princeton University Press, Princeton.

IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: https://www.iucnredlist.org. (Accessed: 07 December 2023).

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Recommended citation
BirdLife International (2024) Species factsheet: Black-thighed Puffleg Eriocnemis derbyi. Downloaded from https://datazone.birdlife.org/species/factsheet/black-thighed-puffleg-eriocnemis-derbyi on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.