Willow Flycatchers are small and have two whitish wingbars. Juveniles are browner above, yellower below, and with buff or yellowish brown wingbars.
References cited in Species Profile
- Audubon Minnesota. 2014. Willow Flycatcher Minnesota Conservation Summary. http://ne.audubon.org/sites/default/files/documents/willow_flycatcher_conservation_summary_12-31-2014.pdf
- Cornell Lab of Ornithology. 2015. Willow Flycatcher. All About Birds. http://www.allaboutbirds.org/guide/Willow_Flycatcher/id
- Crawford, R. L. 1976. Willow and Alder flycatchers records at a north Florida TV tower.Fla. Field Nat. 4:1-4.
- Great Basin Bird Observatory. 2015. Willow Flycatcher. http://www.gbbo.org/pdf/bcp/59_Willow%20Flycatcher.pdf
- Remsen, Jr., J. V. 1978. Bird species of special concern in California. Nongame Invest. Rep. 781. Calif. Dep. Fish Game, Sacramento.
- Sedgwick, James A. 2000. Willow Flycatcher (Empidonax traillii), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/533