alder flycatcher
Empidonax alnorum 5¾″ (15 cm). Alder and Willow flycatchers, formerly lumped as Traill's, are now regarded as two species. They are almost identical, with little or no eye-ring. Alder is a shade more olive; Willow is slightly darker and browner. They are safely separated only by voice.
Voice: Song, an accented fee-BE'-o or rree-BE'-o. Note, kep or pit.
Range: Alaska, Canada, ne. U.S. Winters in South America.
Habitat: Willows, alders, brushy swamps, swales.





