The Cordilleran Flycatcher, Empidonax occidentalis is a small insect-eating bird found in the Pacific Coast forests and mountain ranges from California to Alaska. They breed in the Rocky Mountains and migrate to Mexico for the winter.
Cordilleran Flycatchersbreed in pine-oak or coniferous forests, often near running water
This small Empidonax flycatcher measures 13-17 cm in length.
Adults have an olive grey upper plumage that is darker on the wings and tail. The plumage below is yellowish. They have conspicuous white eye rings, white wing bars, a small bill and a short tail.
The Cordilleran Flycatcher is identical to the Pacific-slope Flycatcher and these two species were formerly considered a single species known as Western Flycatcher.
Breeding / Nesting:
They make a cup nest on a fork in a tree, usually low in a horizontal branch. The average clutch consists of 2-5 eggs.
Diet / Feeding:
They mostly feed on insects taken in flight. They may insects from foliage while hovering.
Song / Vocalization:
The song is described as a multi versed pseet, ptsick, seet usually sung rapidly together; and the call as a loud pit pete.
Species Research by Sibylle Johnson
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