Reptiles, a diverse team of air-respiratory vertebrates, are characterised by their scaly skin, amniotic eggs, and ectothermic (chilly-blooded) Yellow Skin Cockatiel Bird for Sale, metabolism. They can be customarily categorised into four residing orders: Crocodilia (crocodiles and alligators), Sphenodontia (tuataras), Squamata (lizards and snakes)