Oxypogon cyanolaemus
The Blue-bearded Helmetcrest, Oxypogon cyanolaemus, is a strikingly beautiful and critically endangered hummingbird endemic to the high-altitude páramo of the Sierra Nevada de Santa Marta in Colombia. Measuring approximately 11-13 cm in length and weighing just 4-5 grams, this tiny avian marvel is instantly recognizable by the male's vibrant iridescent blue 'beard' that contrasts sharply with its duller green body plumage. A prominent black, pointed crest resembling a helmet sits atop its hea...
This species exclusively inhabits high-altitude páramo ecosystems, characterized by stunted scrub, dwarf forests, and rocky slopes with specialized plant communities. It typically occurs at elevations ranging from 3,000 to over 4,000 meters above sea level.
Primarily nectarivorous, the Blue-bearded Helmetcrest feeds on nectar from high-Andean flowering plants, particularly those with deep corollas like Espeletia and Chuquiraga. It supplements its diet with small insects and spiders, which provide essential protein, typically captured while hovering.
Blue-bearded Helmetcrests are diurnal, spending their days actively foraging for nectar and insects. They exhibit a 'traplining' foraging strategy, visiting a regular circuit of flowering plants such as Espeletia and Chuquiraga species. Males are highly territorial, aggressively defending rich fl...
The Blue-bearded Helmetcrest is strictly endemic to the Sierra Nevada de Santa Marta mountain range in northern Colombia. Its entire known distribution is confined to the high-altitude páramo and sub-páramo zones within this isolated massif. Specifically, it has been found in fragmented patches p...
Critically Endangered
- This species was considered 'lost' to science for 69 years, with no confirmed sightings between 1946 and its rediscovery in 2015 by an ornithologist. - Its scientific name, 'cyanolaemus,' literally means 'blue throat,' referring to the male's striking iridescent beard. - Blue-bearded Helmetcres...