Yellow-bellied FlycatcherEmpidonax flaviventris

adult
Arthur Morris/VIREO
immature (1st winter)
Arthur Morris/VIREO
adult
Arthur Morris/VIREO
Yellow-bellied Flycatcher
Yellow-bellied Flycatcher

Description

5 1/2" (14 cm). A very small flycatcher, olive-green above, yellowish below, including throat, with 2 white wing bars and yellowish eye ring. Other flycatchers of genus Empidonax (Acadian, Alder, Willow, and Least) have more whitish throats, underparts, and eye rings.

Voice

On breeding grounds, a flat chilk or killic; also a rising 2-note whistle, per-wee?

Listen

turree call
song

Habitat

Bogs and moist thickets in northern coniferous forests; on migration, in second-growth woodlands.

Range

Breeds from central Canada and Newfoundland south to Great Lakes region, northern New York, northern New England, and Maritime Provinces. Winters from Mexico to Panama.

Discussion

This retiring little flycatcher spends most of its time on migration in dense thickets and so is easily overlooked. With its yellowish throat, underparts, and eye ring, it is the easiest of the eastern Empidonax flycatchers to identify.

Nesting

3 or 4 whitish eggs, with brown spots, in a nest of moss and rootlets on the ground.

Similar Species

adult

Alder Flycatcher

5-6" (13-15 cm). Slightly smaller than a House Sparrow. Dull gray-green above, whitish below, with two dull white wing bars and narrow white eye ring (often not noticeable).

adult

Pacific-slope Flycatcher

5 1/2-6" (14-15 cm). Olive-brown above, with yellow throat and belly separated by dusky olive breast; elongated white eye ring and light wing bars. Fall birds may be duller.

adult

Hammond's Flycatcher

5-5 1/2" (13-14 cm). Olive-gray above; light throat, gray breast, pale yellow belly. Conspicuous white eye ring and white wing bars.

adult

Least Flycatcher

5 1/4" (13 cm). Dull olive-gray above, whitish below, with 2 whitish wing bars and conspicuous white eye ring. Distinguished by voice and breeding habitat.

adult  Western

Willow Flycatcher

6" (15 cm). Slightly smaller than a House Sparrow. Dull gray-green above, whitish below, with 2 dull white wing bars and narrow white eye ring (often not noticeable).

Vireo

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