Family Hummingbirds (Trochilidae)

Least Concern

Bronze-tailed Comet (Polyonymus caroli)


French: Colibri de Bourcier German: Rosenkehlsylphe Spanish: Colibrí colibronce

Trochilus Caroli


, 1847,

no locality = Cajabamba, Peru




C & S Peru: W slope of Andes (Cajamarca to W Arequipa), and from side valleys of R Marañón S to Huánuco and Huancavelica.

Descriptive notes

11–13 cm; 5·1–5·6 g. Male has medium-sized, slightly decurved bill, black; above bronzy green, postocular spot white; iridescent rosy-purple gorget... read more


Call is a dry, gravelly, single or double trill “djrt” or “dj-djrt”. Also a high-pitched, rising/... read more


Semi-arid mountain slopes with dense shrubs, cacti and Agave stands, edges of montane... read more

Food and feeding

Little information; takes nectar of flowering Agave, Phrygilanthus and cacti; subordinate to other hummingbirds.


Possibly Nov–Dec. No further information available.


Wide altitudinal range suggests some seasonal dispersal to lower or higher zones.

Status and conservation

Not globally threatened. CITES II. Previously considered Near Threatened. Species appears to be locally common, but not well known; research required into biology and ecology.

Recommended citation

Züchner, T. & Boesman, P. (2020). Bronze-tailed Comet (Polyonymus caroli). 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).