Turtles Wallpapers

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You have just enter to the world of Turtles Wallpapers for your desktop. Turtles Wallpapers are free to download. Turtles, Tortoises, and Terrapins are reptiles of the order Testudines (all living turtles belong to the crown group Chelonia), most of whose body is shielded by a special bony or cartilagenous shell developed from their ribs. The Order Testudines includes both extant (living) and extinct species, the earliest turtles being known from around 250+ million years ago, making turtles one of the oldest reptile groups, and a much more ancient group than the lizards and snakes. About 300 species are alive today. Some are highly endangered. Turtles are ectothermic or cold-blooded, which means that their body temperature changes with their surroundings.