Birds rouse by raising their feathers away from the body, shaking them out, and rearranging them. Often performed during grooming, after a bath, or just when the bird feels content and relaxed. Courtesy of the Alaska Raptor Center.

Birds rouse by raising their feathers away from the body, shaking them out, and rearranging them. Often performed during grooming, after a bath, or just when the bird feels content and relaxed. Courtesy of the Alaska Raptor Center.

/r/Ornithology: Ornithology - Welcome to Ornithology, a subreddit dedicated to the scientific study of wild birds. This is a place to discuss wild birds in a scientific context — their biology, ecology, evolution, behavior, and more. - May 30, 2021 - 11:58