Rufous Collared Sparrow Küken Im Nest, Natürliches Verhalten

rufous collard sparrow chicks mouth nest natural feeding behaviour outdoor environment locked off hatched wildlife close up zonotrichia capensis ornithology baby wing wild sitting care little birds nature brown 30 seconds or longer atacama desert newborn open chick life young hungry yearning fledgling feeding chick nesting behavior hunger birdwatching family bird nest nestling brood development togetherness being fed beak food