The olivaceous greenlet is a species of bird in the family Vireonidae. It is found in on the eastern slope of the Andes in Ecuador and Peru. Its natural habitat is subtropical or tropical moist montane forests.
Region
Eastern Andes of Ecuador and northern Peru
Typical Environment
This species inhabits subtropical to tropical moist montane forests on the eastern slope of the Andes. It is most often found in the subcanopy and canopy, but will venture to forest edges and tall secondary growth. It frequents mixed-species flocks along ridges and ravines, where it gleans prey from leafy branch tips. Riparian forest and humid foothill thickets are also regularly used.
Altitude Range
500–2000 m
Climate Zone
Highland
Ease of Keeping
Beginner friendly: 1/5
The olivaceous greenlet is a small vireonid that forages methodically in the subcanopy and canopy, often joining mixed-species flocks. It is native to the humid eastern Andean slopes of Ecuador and northern Peru. Its soft, whistled phrases can be tricky to detect amid forest noise, and its olive tones provide excellent camouflage in foliage.
Temperament
secretive but active
Flight Pattern
short rapid wingbeats between perches
Social Behavior
Usually seen in pairs or small family groups, often accompanying mixed-species flocks. Builds a neat cup nest suspended from a forked twig in dense foliage. Pairs maintain small territories during breeding but tolerate flock associates while foraging.
Migratory Pattern
Resident
Song Description
Song consists of soft, clear whistled phrases of 2–4 notes repeated at intervals. Calls include thin tsip notes and gentle scolds given while foraging in foliage.
