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| Beauty comes in all sizes and shapes :) ||by spisharam on Flickr|
Reptiles include snakes, lizards, turtles, tortoises, crocodiles and alligators.
|Crokodile 07||by DeusXFlorida on Flickr|
They are cold blooded animals with vertabrate (a backbone).
|Lizard Up Close||by SivamDesign on Flickr|
There bodies are covered with scales.
|DSC_0106||by Schristia on Flickr|
They have sharp claws.
|Hatching out! An African Spur-Thigh Tortoise (Geochelone Sulcata)||by EraPhernalia Vintage . . . (playin' hook-y ;o) on Flickr|
Most reptiles lay leathery-shelled eggs on the land.
|Happy Honu||by jurvetson on Flickr|
They can be found everywhere in the world except Antarctica.
|Oustalet's Chameleon (Furcifer oustaleti), Ankarafantsika National Park, Madagascar||by Frank.Vassen on Flickr|
Some kinds of chameleons can change colors to help them hide in their habitats.
|Dennis Sheridan's Live Reptiles, a hands-on Holding Hands with Nature educational activity 29 Dec. 2008||by mikebaird on Flickr|
People who study reptiles are called herpetologists.
|Project 366 2008 - March 29, 2008 ~ Turtle hose holder ~ EXPLORED||by turtlemom4bacon on Flickr|
The scales on a turtle are called scutes.
|Figure 8||by Furryscaly on Flickr|
Of the 3000 species of snakes, only a few hundred of them are venomous.