Family Hummingbirds (Trochilidae)

Least Concern

White-tailed Hillstar (Urochroa leucura)


Taxonomy

French: Colibri à queue blanche German: Blaukehl-Andenkolibri Spanish: Colibrí de Bouguer oriental
Taxonomy:

Urochroa leucura

Lawrence

, 1864,

Ecuador

.

Hitherto considered conspecific with U. bougueri, but split suggested by some recent authors#R and upheld on account of little or no vs broadly developed dull rufous gape (3); glittering dark green vs dusky-bronze crown to back (3); bronzy-green vs blue-black central uppertail (2); male breast patch more violet, less deep turquoise-blue (ns[2]); more white in tail generally, including on outermost rectrix (ns[2]). Monotypic.

Distribution:

E slope of Andes in S Colombia (Nariño; sight record from Caquetá), E Ecuador and NE Peru (N San Martín).

Descriptive notes

13–14 cm (including bill 3 cm); 8·7 g. Previously considered to be conspecific with U. bougueri (see Taxonomy). Sexes alike. Long, straight, black bill; upperparts... read more

Voice

Presumed song is a continuous series of single “tseee”, “tsing” or “seeuw” notes, at a rate of c. 1... read more

Habitat

Montane forest, forest edge and secondary growth, especially near streams, at 1600–2800 m,... read more

Food and feeding

No reported differences from U. bougueri.

Breeding

Nothing known, but a bird collected in NE Peru in Sept was in breeding condition.

Movements

Sedentary, with some seasonal altitudinal dispersal.

Status and conservation

Not globally threatened (Least Concern). CITES II. Common in cloudforests and along streams, being generally considered to be fairly common in Colombia, but uncommon to rare... read more

Recommended citation

del Hoyo, J., Collar, N., Kirwan, G.M. & Boesman, P. (2018). White-tailed Hillstar (Urochroa leucura). 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/467213 on 11 December 2018).