Family Hummingbirds (Trochilidae)

Least Concern

White-sided Hillstar (Oreotrochilus leucopleurus)


Taxonomy

French: Colibri à flancs blancs German: Weißflanken-Andenkolibri Spanish: Colibrí cordillerano
Taxonomy:

Oreotrochilus leucopleurus

Gould

, 1847,

Chilean Cordilleras

.

Thought to be closely related to O. chimborazo, O. estella and O. stolzmanni, and all four have been considered conspecific; separated largely on morphological grounds. O. estella overlaps slightly with present species, with some hybridization; present species is, however, the form least frequently lumped into O. estella. Monotypic.

Distribution:

S Bolivia (Tarija; winter records from Cochabamba#R) S through Andes to SC Chile (Bío-Bío) and S Argentina (WC Santa Cruz).

Descriptive notes

13–15 cm (bill 2 cm), 7·9–8·4 g. Bill slightly curved, black. Resembles O. estella, with which there is potential geographical overlap in... read more

Voice

Poorly known. Calls include a repeated short “tsit”. Also a fast twittering during chasing or... read more

Habitat

Puna with dwarf bushes, columnar cacti and Puya, at 1200–4000 m, sometimes... read more

Food and feeding

Probably as O. estella; feeds on nectar from flowers of Barnadesia, Berberis and Chuquiragua bushes,... read more

Breeding

Nov–Dec. Large cup-shaped nest is glued to a vertical rock-face, usually in a well-protected site. Clutch size two eggs. No further... read more

Movements

During the southern winter normally leaves its Chilean territory, but a record in Jul at 600 m in N... read more

Status and conservation

Not globally threatened. CITES II. Generally common; limits of range in Argentina recently found to extend much further S than previously thought. Large tracts of core... read more

Recommended citation

Fjeldså, J., Kirwan, G.M. & Boesman, P. (2019). White-sided Hillstar (Oreotrochilus leucopleurus). 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 https://www.hbw.com/node/55554 on 26 June 2019).