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Bird, J.P., Martin, R., Akçakaya, H.R., Gilroy, J., Burfield, I.J., Garnett, S.G., Symes, A., Taylor, J., ?ekercio?lu, 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.

del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.

GBIF.org. 2022. GBIF Occurrence Download (29 July 2022): Chrysuronia grayi. Available at: https://doi.org/10.15468/dl.68ahwz.

Global Forest Watch. 2021. Interactive Forest Change Mapping Tool. Global Forest Watch. 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.

IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-2. Available at: https://www.iucnredlist.org. (Accessed: 08 December 2022).

McGuire, J.A., Witt, C.C. Remsen, J. V. Jr., Corl, A. Rabosky, D. L., Altshuler, D. L. and Dudley., R. 2014. Molecular phylogenetics and the diversification of hummingbirds. Current Biology 24: 1-7.

Ridgely, R.S. 2002. Unpublished data.

SACC. 2005 and updates. A classification of the bird species of South America. Available at: https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm.

Sibley, C.G. and Monroe, B.L. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press, New Haven, USA.

Sibley, C.G. and Monroe, B.L. 1993. A supplement to 'Distribution and Taxonomy of Birds of the World'. Yale University Press, New Haven, USA.

Stiles, F. G., Kirwan, G. M., Boesman, P. F. D. 2021. Blue-headed Sapphire (Chrysuronia grayi), version 1.1. Ithaca, NY, USA. Cornell Lab of Ornithology. Available at: https://doi.org/10.2173/bow.blhsap1.01.1.

Stiles, F.G., Piacentini, V. de Q., and Remsen, J. V., Jr. 2017a. A brief history of the generic classification of the Trochilini (Aves: Trochilidae): the chaos of the past and problems to be resolved. Zootaxa 4269: 396–412.

Stiles, F.G., Remsen, J. V., Jr., and McGuire, J.A. 2017b.. The generic classification of the Trochilini (Aves: Trochilidae): Reconciling taxonomy with phylogeny. Zootaxa 4353: 401-424.

Stotz, D.F., Fitzpatrick, J.W., Parker, T.A. and Moskovits, D.K. 1996. Neotropical Birds: Ecology and Conservation. University of Chicago Press, Chicago.

Search for photos and videos, and hear sounds of this species from the Macaulay Library

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Recommended citation
BirdLife International (2024) Species factsheet: Gray's Hummingbird Chrysuronia grayi. Downloaded from https://datazone.birdlife.org/species/factsheet/grays-hummingbird-chrysuronia-grayi on 22/12/2024.
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 22/12/2024.