7.5 inches long. The Olive-sided Flycatcher is a medium-large sized flycatcher with a large triangular head and a fairly large bill. The face is dark with an indistinct eye ring. It has dark olive upperparts. The throat, center of breast, belly, and undertail are white. The dark flanks give the impression of a vest. The white rump feathers sometimes protrude over the top of the wings giving the appearance of a white tuft above the wing. This is best seen from behind the bird.
The Olive-sided Flycatcher is an uncommon migrant through the area. It can appear anytime throughout May and again from mid August through all of September.
The Olive-sided Flycatcher often perches at the very top of a dead snag. It commonly feeds by flying out to catch insects and returning to the same perch. The call is a distinctive “quick, THREE BEERS”.
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