Family Vireos (Vireonidae)

Near Threatened

Olivaceous Greenlet (Hylophilus olivaceus)


French: Viréon olivâtre German: Olivvireo Spanish: Verdillo oliváceo

H[ylophilus]. olivaceus


, 1844,

Junín area, Peru


Sister to H. pectoralis#R. In past, sometimes considered conspecific with H. flavipes (see below). Monotypic.


E slope of Andes in Ecuador (Napo S to Zamora-Chinchipe) and Peru (Cajamarca, S Amazonas, San Martín, and from Huánuco S to N Junín).

Descriptive notes

12 cm; 11–13 g. Top of head and entire upperparts, including upper­wing and tail, are dull olive-green, appearing brighter and more yellowish on forehead; overall... read more


Song is described as a distinctive, loud "twee-twee-twee" or "suwee-suwee-suwee", with up to a... read more


Inhabits forest edge, overgrown clearings, and second growth; recorded from 600 m up to 1700 m.

Food and feeding

No data on items of diet. Usually found while foraging unobtrusively, alone or in pairs; occasionally in association with other species.


Adults feeding newly fledged young in Jun in Peru (San Martín). No other information.


Apparently sedentary.

Status and conservation

Not globally threatened. Uncommon to fairly common, but local, over much of range. Poorly known.

Recommended citation

Brewer, D. (2018). Olivaceous Greenlet (Hylophilus olivaceus). 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 22 March 2018).