Western bluebird stretching wing. (Birds112)
Mountain bluebird. (Birds249)
Western bluebird spreading wings. (Birds083)
Mountain bluebird holding food in beak. (Birds241)
Western bluebirds building nest in nest box, Colorado. (Birds264)
Mountain bluebird. (Birds006)
Mountain bluebird. (Birds246)
Mountain bluebird landing on nest with food. (Birds242)