CR
Blue-bearded Helmetcrest Oxypogon cyanolaemus



References

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

Cortes-Herrera, J. O. and Villagran C., D. X. 2016. Oxypogon cyanolaemus. In: Renjifo, L.M., Amaya-Villarreal, A.M., Burbano-Girón, J. and Velásquez-Tibatá, J. (eds), Libro Rojo de Aves de Colombia. Volume 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., pp. 211-213. Editorial Pontificia Universidad Javeriana and Instituto Alexander von Humboldt, Bogotá.

del Hoyo, J., Collar, N. and Sharpe, C.J. 2014. Blue-bearded Helmetcrest (Oxypogon cyanolaemus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. and de Juana, E. (eds), Handbook of the Birds of the World Alive, Lynx Edicions, Barcelona.

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.

García, N., Calderón Saenz, E. & Galeano, G. A. 2005. Frailejones (subtribu Espeletiinae, familia Asteraceae). Libro rojo de plantas de Colombia Vol II. Palmas, frailejones y zamias, pp. 225–385. Instituto Alexander-von-Humboldt, Santafé de Bogotá DC.

IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-3. Available at: www.iucnredlist.org. (Accessed: 07 December 2016).

IUCN. 2018. The IUCN Red List of Threatened Species. Version 2018-2. Available at: www.iucnredlist.org. (Accessed: 15 November 2018).

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.

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

Sibley, C.G.; 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.

Further resources

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Recommended citation
BirdLife International (2020) Species factsheet: Oxypogon cyanolaemus. Downloaded from http://www.birdlife.org on 22/10/2020. Recommended citation for factsheets for more than one species: BirdLife International (2020) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 22/10/2020.