Yellow-bellied Tyrannulet
NameYellow-bellied Tyrannulet
Common NameYellow-bellied Tyrannulet
Scientific NamePhylloscartes ventralis
FamilyTyrannidae
Wingspan (cm)12
Length (cm)11
Weight (g)7.5
Plumage DetailsThis species has a distinctive gray crown and nape, contrasting with a white supercilium and dark lores. Its back and wings are olive-green, while the underparts are bright yellow, often with olive wash on the flanks. It lacks wing bars.
Vocalization / CallIts vocalizations include a high-pitched, rapid series of 'tsee-tsee-tsee' notes, often accelerating into a trill, and a sharp 'chip' call.
Primary Dietinsectivore
Primary Habitatsforest, mountain
Conservation Statusleast-concern
Geographic RangeFound in South America, primarily in the Andes from Venezuela south through Colombia, Ecuador, Peru, Bolivia, and into southeastern Brazil, Paraguay, and northeastern Argentina.
Identifying FeaturesGray crown and nape, White supercilium, Olive-green back, Bright yellow underparts, Lack of wing bars, Small size
Description
The Yellow-bellied Tyrannulet is a small, active flycatcher typically found in humid montane forests. It forages for insects in the mid-story and canopy, often flicking its tail and wings while moving through foliage.
