One of the first things you notice about a bird is its feathers. Birds have evolved a variety of different feathers. Hummingbirds have an iridescent plumage and male peacocks attract mates with their multi-colored tail feathers.
One of the first things you notice about a bird is its feathers. Birds have evolved a variety of different feathers. Hummingbirds have an iridescent plumage and male peacocks attract mates with their multi-colored tail feathers.