Cordilleran Flycatcher - Region 7
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 Chris Benesh
Cordilleran Flycatcher - Cameron Co., January 27, 2015. This "western" flycatcher was studied well but was not known to vocalize.
Photo by Martin Reid
Cordilleran Flycatcher - Frio Co., January 5, 2005. It gave the diagnostic call for this species. Same bird below.
Photo by Martin Reid
Cordilleran Flycatcher - Frio Co., January 5, 2005