Cordilleran Flycatcher - Region 1
Unless a specific vocalization is heard (the high-pitched two-note phrase with the second note much higher), these can only be presumed to be Cordilleran Flycatcher as Pacific-slope Flycatcher cannot be ruled out.
Typical Range
Photo by Steve Collins
Cordilleran Flycatcher - Lubbock Co., May 25, 2011