Data Zone
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: 1252-1261. DOI: 10.1111/cobi.13486.
del Hoyo, J., Elliott, A. and Sargatal, J. 1999. Handbook of the Birds of the World, vol. 5: Barn-owls to Hummingbirds. Lynx Edicions, Barcelona, Spain.
Donald, P.F., Fernando, E., Brown, L., Busana, M., Butchart, S.H.M., Chng, S., Colina, A.d.l., Ferreira, J.M., Jain, A., Jones, V.R., Lapido, R., Malsch, K., McDougall, A., Muccio, C., Nguyen, D., Outhwaite, W., Petrovan, S.O., Stafford, C., Sutherland, W.J., Tallowin, O. & Safford, R. 2024 (in press). Assessing the global prevalence of wild birds in trade.
Hilty, S.L. and Brown, W.L. 1986. A guide to the birds of Colombia. Princeton University Press, Princeton.
IUCN. 2024. The IUCN Red List of Threatened Species. Version 2024-2. Available at: https://www.iucnredlist.org. (Accessed: 22 October 2024).
McMullan, M., Donegan, T.M. and Quevedo, A. 2010. Field guide to the birds of Colombia. Fundación ProAves, Bogotá, Colombia.
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
Recommended citation
BirdLife International (2024) Species factsheet: Green-bearded Helmetcrest Oxypogon guerinii. Downloaded from
https://datazone.birdlife.org/species/factsheet/green-bearded-helmetcrest-oxypogon-guerinii on 26/11/2024.
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 26/11/2024.