Birds have had feathers for as long as they have existed ... feather growths prevented heat being conveyed away from the body in the air. But unlike fur, proto-feathers became more complex over ...

All birds are cold-blooded. Feather – Feathers grow all over a bird's body and can be all sorts of colours. Birds use feathers to keep warm. Flight – Birds fly by flapping their wings and ...

But there is one natural wonder that just about all of us can see, simply by stepping outside: dinosaurs using their feathers to fly. Birds are so common, even in the most paved-over places on ...

One day as she hid in a bird blind, a male drew near, splendid in his orange-feather ascot and white-spotted black cloak. After browsing for food, he hopped onto a boulder and began calling ...