Leopard tortoise Tortoises are land-dwelling reptiles that have, like their aquatic relatives the turtles, strong, bony shells. But while turtles have flippers for limbs, tortoises have stumpy, scaly legs with short toes. Ranging in size from a few centimetres up to 2 metres (6.6 feet) in length, tortoises move about slowly, relying on their high-domed, heavy shells to protect them from predators. They are mainly plant-eaters. Many species live for 70–80 years, and some individuals for 100 or more.
Tortoise shells are made of bone fused to their skeletons. The shell is in two parts, one forming a dome over the back, the other covering the belly, with a bony bridge connecting the two. For extra protection, the shell is covered with thick, horny scales. If threatened, most tortoises are able to draw their heads and necks backwards into their shells.
Giant tortoise eating
A tortoise's shell has blood vessels and nerves, so the tortoise can feel it being touched.
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