white-crowned sparrow zonotrichia leucophrys gambel`s subspecis

animal aves avian barbed bird birding birdwatching brown close closeup color colorado conservation crowned environment environmental fall fauna feather fence gambelii gambels grasslands horizontal immature juvenile leucophrys living natural nature organism ornithology outdoors outside passeriformes passerine pawnee perched perching post rural songbird sparrow subspecies subspecis vertebrate white whitecrowned wild wildlife winter wire zonotrichia