Turtles are reptiles of the order Chelonii or Testudines characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield. The earliest known turtles date ...

The pond slider (Trachemys scripta) is a medium-sized land turtle ... of the rarest tortoises in the world, the radiated tortoise is known for its domed, strikingly beautiful shell.

People often use the words turtle and tortoise interchangeably, but these reptiles have distinct differences: Turtle shells are typically more flattened and not as deeply domed as tortoise shells, but ...

Most Asian turtles and tortoises dig themselves nests in mud or sand to lay their eggs. The hatchlings are born with a tooth egg to help them break out of the shell which is shed shortly afterwards.

2 A tortoise by any other name A turtle refers to any reptile with a shell, so all tortoises are technically turtles, too. The main difference is that tortoises live only on land, while turtles ...