they molt, the same as humans do not have the same skin that they were born with
contour and the feathers to keep them warm are down.
By puffing out their feathers in the cold birds create a larger insulating layer of air and feathers, which helps them retain body heat. Many mammals do the same with their fur.
Birds are covered in feathers
=Feathers keep birds well insulated from cold weather and prevents air from seeping in.=
Kiwi have feathers because they are birds. All birds have feathers, even though the nature of the feathers may differ from that of birds that fly.Kiwi have shaggy feathers which are densely packed, about 2.5cm thick, to keep them warm and dry.
it is feathers
Do birds die? Well the answer is no, they don't. Birds have feathers, that's how they keep warm.
They are called Down Feathers. Why, I have no idea.
Yes, baby birds have the same body as the parent when they are born all except for feathers. Within 12 to 14 days the baby birds develop all of their feathers.
They keep them warm and for most of them ables them to fly.
Most birds' feathers are fairly waterprooof. They have to preen themselves to keep them waterproof.
Most birds, including cockatoos, have feathers to help keep them warm and protected in harsh weather.