It doesn't - no more than any animal protects its skin. The feathers wear and are moulted when they are lost or on a rotation that can be once a year or over several years.
how the feathers protect the bird
Beak, wings and spurs.
no bird everybird has wings and tails
A bird is a creature with wings and can fly.NOTE(Chickens are birds)
Birds wings are just like humans arms. And you don't see humans having 4 arms. Birds have two wings.
a bird has hollow bones and an incect has an exo skeleton on the outside of their body!
albatross
The main characters in the book "Wild Wings" are Kenneth, Spencer, and Ben. They embark on an adventure involving a bird of prey, a goshawk, that they are trying to protect and rehabilitate.
The bird that can fly with white wings is the white dove.
Vestigial wings.
If these are true wings, this is a bird. BTW not all can fly: penguins
The wings of a bird help the bird float on air currents. That's why a bird doesn't have to flap the whole time. It can float or soar.