In the sage steppes and grasslands of the Catlow Valley, resident birds include horned larks, Brewer's sparrows, vesper sparrows, sage thrashers, sagebrush sparrows, black-throated sparrows, common ravens, and greater sage grouse. The valley also hosts mountain chickadees, Cassin's finches, black-headed grosbeaks, green-tailed towhees, yellow-rumped warblers, MacGillivray's warblers, mountain bluebirds, white-headed woodpeckers, California quail, mourning doves, magpies, burrowing owls, flammulated owls, and northern harriers. In the valley's riparian areas, dusky flycatchers, yellow warblers, orange-crowned warblers, house wrens, and spotted towhees are common in the summer months. In the rimrock, there are chukars, white-throated swifts, cliff swallows, and barn swallows. The larger birds include great horned owls, long-eared owls, prairie falcons, American kestrels, red-tailed hawks, and golden eagles.