Family Hummingbirds (Trochilidae)

Least Concern

Buff-tailed Coronet (Boissonneaua flavescens)


French: Colibri flavescent German: Fahlschwanzkolibri Spanish: Colibrí colihabano

Trochilus flavescens


, 1832,

Popayán, Colombia


Specimens at the south end of the range of nominate are similar in colour to tinochlora, but the subspecific distinction is still evident in the general coloration and the pattern of the tail-feather tips. Two subspecies recognized.

Subspecies and Distribution
  • B. f. flavescens (Loddiges, 1832) – Andes of W Venezuela (Mérida) and Colombia (all three ranges).
  • B. f. tinochlora Oberholser, 1902 – SW Colombia and W Andean slope S to C Ecuador (Cotopaxi), locally on E slope#R of Ecuador (Napo).
  • Descriptive notes

    11–12 cm; 7·3–8·8 g. Bill straight, black. Male shining green above; throat and breast are shining green, remainder of underparts buff strongly... read more


    Presumed song is a continuous series of single high-pitched “tsit” notes, at a rate of c. 0·6–1... read more


    Throughout its quite extensive range inhabits humid and wet montane forest, cloudforest and dwarf... read more

    Food and feeding

    Usually feeds in middle strata but also occasionally found in canopy. Main food plants are Cavendishia, Palicourea, ... read more


    Apr–Aug (Colombia) and Nov–Mar. Nest is cup-shaped, built mainly of moss and lichen; usually attached to branch 3–10 m... read more



    Status and conservation

    Not globally threatened (Least Concern). CITES II. Rare to locally fairly common. Frequently seen along old road to Mindo (W Ecuador), with densities of at least 1–2... read more

    Recommended citation

    Heynen, I. & Boesman, P. (2019). Buff-tailed Coronet (Boissonneaua flavescens). 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 6 December 2019).