Birds spread out their plumage and skin in full sunshine to take advantage of solar radiation. It helps them convert compounds into vitamin D, which is essential for good health. It helps them to dry their feathers after a bath or dip in water. They like it for the sheer enjoyment and relaxation just like humans do. The most important reason for sunning, however, is to maintain the health of feathers. It helps remove feather parasites and get rid of them. These tiny insects can cause problems for a bird’s flight, insulation and appearance, all of which can impact its survival.
Why do birds sunbathe?
