Data Zone
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.
Collar, N. J.; Salaman, P. 2013. The taxonomic and conservation status of the Oxypogon helmetcrests. Conservación Colombiana 19: 31-38. Available at: http://www.proaves.org/wp-content/uploads/2013/12/The-taxonomic-and-conservation-status-of-the-Oxypogon-helmetcrests.pdf
del Hoyo, J., Collar, N., Kirwan, G. M., Sharpe, C. J., Boesman. P. F. D. 2020. Blue-bearded Helmetcrest (Oxypogon cyanolaemus), version 1.0. Ithaca, NY, USA. Cornell Lab of Ornithology. Available at: https://doi.org/10.2173/bow.bubhel1.01.
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.
IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: https://www.iucnredlist.org. (Accessed: 07 December 2023).
Luna, J. C.; Quevedo, A. 2012. Primera fotografía en su habitat y nuevo avistamiento del Cucarachero de Santa Marta Troglodytes monticola, especie en peligro crítico. Conservacion Colombiana 17: 31-32.
Renjifo L.M., Amaya-Villarreal A.M., Burbano-Girón J., Velásquez-Tibatá J. 2016. Libro Rojo de Aves de Colombia. Volumen II: Ecosistemas Abiertos, Secos, Insulares, Acuáticos Continentales, Marinos, Tierras Altas del Darién y Sierra Nevada de Santa Marta y Bosques Húmedos del Centro, Norte Y Oriente del País. Editorial Pontificia Universidad Javeriana and Instituto Alexander von Humboldt, Bogotá, Colombia.
Rojas, C.J. and Vasquez, C. 2015. Rediscovery of the Blue-bearded Helmetcrest Oxypogon cyanolaemus, a hummingbird lost for almost 70 years. Conservación Colombiana 22(Marzo): 4-7.
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.
Strewe, R.; Navarro, C. 2004. The threatened birds of the río Frío Valley, Sierra Nevada de Santa Marta, Colombia. Cotinga 22: 47-55.
Todd, W. E. C.; Carriker, M. A. 1922. The birds of the Santa Marta Region of Colombia: a study in altitudinal distribution. Annals of the Carnegie Museum 14.
WWF. 2013. Northern South America: Northern Colombia. Available at: http://worldwildlife.org/ecoregions/nt1007.
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Recommended citation
BirdLife International (2024) Species factsheet: Blue-bearded Helmetcrest Oxypogon cyanolaemus. Downloaded from
https://datazone.birdlife.org/species/factsheet/blue-bearded-helmetcrest-oxypogon-cyanolaemus on 26/12/2024.
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 26/12/2024.