feathers of bird

Feathers helps the birds to keep their body warm and it also help them to fly.Their wings are equipped with stiff flight feather to provide both lift and, when the wings are flopped, forward thrust to propel thse masters of flight through the air something else common to all bird is that they lay egg with hard egg
 Australian lyrebirds are fantastic mimics.They copy not only other bird songs to attract mates, but also mobail phone ring tone,camer shutters,crying babies even car alarm