Birds have feathers and eggs reproduce
Birds are vertebrates Quayle remain on the hindquarters (known as the hind legs) and previous (front) are made to fly. In its most immensity can develop the capacity of long flight (birds), although there are cases in which this feature is not given (chicken).
Laying birds
Another aspect that can be seen in all birds have feathers and is that peak (not teeth) and they do reproduce through eggs, so they are considered oviparous animals.

