RD-160212054   A Black-throated Sparrow (Amphispiza bilineata) male singing from a perch on the fruits of a Fishhook Barrel Cactus (Ferocactus wislizeni) in the Sonoran Desert (Arizona)
Rich and Margie Wagner | WildNaturePhotos  /  Black-throated Sparrow  /  3 of 8       Show captionHide caption