backward, n.All

What do you call an airplane that flies backward?A receding airline

The hummingbird is the only bird that can fly backwards

Venus spins backward on its axis compared to all the other planets in our solar system

Kangaroos are unable to walk backwards

Penguins cannot walk backwards. They are too top heavy and would just fall down.

Emus can't walk backwards

Backward is a mode of advancement practiced by crabs, and recommended to mankind in general by the Holy Alliance.

3.14 is PIE spelled backwards

Flies always launch backwards for a quick getaway