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

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.

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.

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.

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 (2018) Species factsheet: Oxypogon cyanolaemus. Downloaded from http://www.birdlife.org on 17/12/2018. Recommended citation for factsheets for more than one species: BirdLife International (2018) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 17/12/2018.