Birds

Birds have very light weight bones to help them fly. Birds reproduce from eggs. Birds are covered with feathers, they have beaks, two legs, two wings, and most of them can fly.

Scaled Animals

Scaled animals include fish, crocodile, shakes, lizards, and alligators.

                                                       

Mammals

Mammal type animals are born of their mothers and they drink milk from their mothers for nourishment when they are young. Their bodies are usually cover with hair and they are warm blooded.