·        Reptiles are the leftovers of the age of dinosaurs

·        They are continuously evolving.

·        They are cold blooded

·        Unlike Mammals and birds they can not regulate body temperate.

·        When it is hot they go inside the shelter to avoid heat and extreme coldness

·        Reptiles scales provide proteins called keratin.

·        All reptiles breathe using lungs.

·        Reptiles have several bones in there jaws where as mammals have a single jawbone.

·        There skin is dry and have no glands.

·        There skin is covered in scales.

·        Reptiles live in deserts, forests, freshwater wetlands , mangroves and open ocean.

·        They breathe air, and lay shelled eggs ( except for vipers and constrictors )

·        Reptiles are Oviparous ( egg laying animals )

·        Reptiles are divided into four  catergories

1.     Crocodilian ( Crocodiles Gavials, Caiman and Alligators ) – 23 species

2.     Sphenodontia ( Tuataras from New Zealand ) – 2 species

3.     Squamata ( Lizard, Snakes, Worm lizards ) – about 7,900 species

4.     Testudines ( Turtles, Terrapins, Tortoises ) – About 300 species