Olive-sided Flycatcher
NameOlive-sided Flycatcher
Common NameOlive-sided Flycatcher
Scientific NameContopus cooperi
FamilyTyrannidae
Wingspan (cm)36
Length (cm)19
Weight (g)35
Plumage DetailsDark olive-gray upperparts, head, and flanks, contrasting with a white throat and a prominent white stripe down the center of the breast and belly, creating a 'vested' appearance. White tufts are often visible on the lower flanks, especially when perched.
Vocalization / CallIts distinctive call is a loud, three-part whistle often transcribed as 'quick, THREE BEERS!' or 'hip-three-cheers'. It also gives a sharp 'pip-pip-pip' call.
Primary Dietinsectivore
Primary Habitatsforest, mountain
Conservation Statusleast-concern
Geographic RangeBreeds across the coniferous and mixed forests of Canada and the western and northern United States, including high-elevation mountain forests. Winters in Central and South America, from southern Mexico to northern South America.
Identifying Featuresvested plumage pattern (dark flanks, white central breast), large head and short tail, upright posture on high perches, distinctive 'quick, THREE BEERS!' call, white tufts on lower flanks
Description
The Olive-sided Flycatcher is a medium-sized, stocky flycatcher with a large head and short tail. It is known for its distinctive 'vested' plumage pattern and its habit of perching conspicuously on the tops of tall trees, often sallying out to catch flying insects.
