鸭嘴兽：Scientists who first saw the platypus try to pull it's fake bill off.

　　狮子：Male lions sleep for 20 hours a day.

　　猫：Domestic cat can outrun Usain Bolt.

　　兔子：Rabbit eating 80% of their own droppings.

　　螳螂：The praying mantis has an ear between its legs.