Cassin's vireo (Vireo cassinii)

Wikipedia: Cassin's vireo Source: OTHER 1200px-Cassin%27s_Vireo_%28Vireo_cassinii%29.jpg
Classification: Genus Vireo; Subfamily Shrike-vireos (Vireoninae); Family Vireonidae
General: Cassin's vireo (Vireo cassinii) is a small North American songbird, ranging from southern British Columbia in Canada through the western coastal states of the United States. This bird migrates, spending the winter from southern Arizona (the Sonoran Desert) to southern Mexico. [more]

🔍 No documented observation