Other Scientific Names
Acestrura bombus [Sibley and Monroe (1990, 1993)], Acestrura bombus [Stotz et al. (1996)], Acestrura bombus [Collar and Andrew (1988)], Acestrura bombus [Collar et al. (1994)], Acestrura bombus [BirdLife International (2000)], Acestrura bombus [BirdLife International (2004)]
Andes of extreme south-western Colombia (southern Nariño) and western Ecuador to northern Peru; also locally in eastern Ecuador and north-central Peru (Huánuco).
 
Population
Estimated population is 2,500 - 9,999 (2010) and decreasing.
Status VU
Habitat destruction and degradation through logging and conversion to agriculture and plantations is the main threat.
For more information see BirdLife International Species Factsheet.
Voice
A series of rapid 'chit-cheet' and 'chit-chit-cheet' calls.
Little Woodstar (Chaetocercus bombus) [XC118107]
by Du\u0161an M. Brinkhuizen from Cabanas Copalinga, Zamora, Zamora-Chinchipe, Ecuador (call, foraging call)
Little Woodstar (Chaetocercus bombus) [XC118108]
by Niels Krabbe from Cabanas Copalinga, Zamora, Zamora-Chinchipe, Ecuador (call, interaction call)