Family Hummingbirds (Trochilidae)

Least Concern

Santa Marta Woodstar (Chaetocercus astreans)


French: Colibri des Santa Marta German: Santa-Marta-Elfe Spanish: Colibrí astral

Acestrura astreans


, 1899,

San Sebastián, 6600 feet [c. 2000 m], Santa Marta Mountains, Colombia


Frequently placed in genus Acestrura along with C. mulsant, C. bombus, C. heliodor and C. berlepschi, but no evidence in external morphology justifies treatment in a genus separate from C. jourdanii. Thought to be closest to C. heliodor. Monotypic.


Santa Marta Mts, in N Colombia.

Descriptive notes

c. 7 cm. Male has straight black bill; head shining green, rest of upper­parts dark shining bluish; gorget reddish, elongated to form auricular tufts, breast grey, white... read more


Poorly known. Possible song a regularly repeated, single, modulated squeaky note. Calls while... read more


Edges of montane forest, woodlands and shaded coffee plantations, occasionally in sub-pá... read more

Food and feeding

Takes nectar and insects; no specific food plants have been recorded, but presumably visits same flowers as congeners like flowering ... read more


No information available.


Seasonal altitudinal dispersal likely.

Status and conservation

Not globally threatened. CITES II. Restricted-range species: present in Santa Marta Mountains EBA. Locally common. No immediate threats have been recorded, though part of the... read more

Recommended citation

Züchner, T. & Boesman, P. (2020). Santa Marta Woodstar (Chaetocercus astreans). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 28 January 2020).