Scientific Name: Empidonax oberholseri
Range / Habitat: Found in open montane forest of American and Canadian West in the summer. Winters in central Mexico.
Field Notes: Small, dull, Empidonax flycatcher. Grey back, underparts white. Prominent eyering and wing bars. Hammond's Flycatcher and Grey Flycatcher similar. Habitat and song best ways to distinguish among these species, though Hammond's found at higher altitudes and Grey has distinctive downward wag of tail.
Personal Notes: Seen on Deseret Ranch in Utah