Turtles are cool creatures, cold blooded reptiles who have hard shells to protect them from predators.
• Most turtles can hide their heads and entire bodies in their shells when attacked.
• Turtles have been around for 215 million years.
• Sea turtles drink salt water because of glands that can remove salt from saltwater.
• The largest turtle species are the leatherback sea turtles that can weigh up to 900 kilograms (2000 lbs).