Reptiles, a diverse team of air-breathing vertebrates, are characterized by their scaly pores and skin, amniotic eggs, and ectothermic (cold-blooded) metabolism. They can be typically categorised into four living orders: Crocodilia roaches, (crocodiles and alligators), Sphenodontia (tuataras), Squamata (lizards and snakes), and Testudines (turtles