Why birds need feather?

Answer 1

Feathers make it possible for birds to fly, and help to keep them dry and warm, and the coloration helps them to find mating partners.

Answer 2

Birds have beaks to get food into their mouths. They have beaks instead of teeth. If a bird wants to bite something, it bites it with its beak.

Birds need to be as light as possible so they can fly. Since beaks are lighter than teeth, birds have developed them to replace teeth. A baby bird or chick has a tooth called an eye tooth that it uses to peck its way out of the egg when it hatches. That tooth is left over from the days when birds were dinosaurs. That tooth falls off after a few days.

Answer 3

To fly, and clothings