Some frogs can be frozen solid, then thawed, and continue living. Ostriches stick their heads in the sand to look for water. A duck's quack has no echo. Cats can make over 100 vocal sounds, while dogs can only make 10. Texas horned toads can shoot blood out of the corners of their eyes.
Honeybees have hair on their eyes.
The only bird that can fly backwards is the Hummingbird. Alligators cannot move backwards. A duck has three eyelids. A starfish doesn't have a brain. Flamingos can only eat with their heads upside down.