Rabbits are small mammals in the family Leporidae of the order Lagomorpha, found in several parts of the world.The rabbit's ears,which can be more than 10cm (4 in) long,are probably an adaptation for detecting predators.They have large,powerful hind legs.the two fronts paws have toes , the extra called the dewclaw.The hind feet have 4 toes .They are plantigrade animals while at rest ;however,they move around on their toes while running,assuming a more digitigrade form.Unlike some other paw structures of quadruped mammals,especially those of domesticated pets,rabbits paws lack pads.(citation needed) Their nails are strong and are used for digging;along with their teeth,they are also for defense 