Cassin's Vireo - Region 7
These birds are similar to many (mostly adult) Cassin's Vireos. However, the identification of such birds remains controversial.
Typical Range
Photo by Martin Reid
Cassin's Vireo - Frio Co., December 26, 2005
These birds are similar to many (mostly adult) Cassin's Vireos. However, the identification of such birds remains controversial.
Typical Range
Photo by Martin Reid
Cassin's Vireo - Frio Co., December 26, 2005