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These birds hunt in the airspace below the canopy of tall alders in swamps or along creeks. They sit erect on a twig, then dart out after flying insects. This species has a more northerly distribution than its close
relative the Willow Flycatcher. The Alder Flycatcher came to be considered distinct from the Willow when studies revealed that the song patterns and breeding habits of these species differed. In the fall, when they
do not sing, they are indistinguishable.
description
5-6" (13-15 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). Indistinguishable in appearance from Willow Flycatcher, and best identified by voice, breeding habitat, and nest.
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