REPTILIA
Home Up MAMMALIA BIRDS ( AVES ) REPTILIA AMPHIBIA INSECTIVORA Fishes

 

CROCODILIA
SQUAMATA

 

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        Reptiles are the leftovers of the age of dinosaurs

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        They are continuously evolving.

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        They are cold blooded

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        Unlike Mammals and birds they can not regulate body temperate.

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

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        Reptiles scales provide proteins called keratin.

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        All reptiles breathe using lungs.

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

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        There skin is dry and have no glands.

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        There skin is covered in scales.

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

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

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        Reptiles are Oviparous ( egg laying animals )

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        Reptiles are divided into four  catergories

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

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2.     Sphenodontia ( Tuataras from New Zealand ) 2 species

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

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