bird sitting on nest

action aerial air avian beak bird birds black bluebird branch brush cage cardinal chickadee colored design dove eagle environment environmental falcon feather feathered flight flock fly flying foliage forest freedom gliding hawk house in isolated leaf migrating nature nest of outdoor owl parrot perch perched pet pets pheasant pigeon plumage seagull season sing sitting sky soar soaring sparrow starling swallows swarm tail tree twig warble white wild wildlife wind wing wings woodpecker zoo