sage thrasher oreoscoptes montanus on a barbed wire fence

america animal arid aves avian barbed bird birding birds birdwatching colorado conservation daytime ecology ecosystem environment environmental fauna fence focus grasslands habitat horizontal living mimidae montanus nature oreoscoptes organism ornithology outdoors outside passeriformes passerine pawnee perched perching post prairie rural sage sagebrush songbird thrasher vertebrate west western wild wildlife wire