Yes ants can walk backwards but most of them do not.

Many birds can walk backwards. Parrots, ostriches, doves and pigeons are just some birds which are able to walk backwards.

There some insects that walk backwards which is part of their unique features. The doodle bug is one of the various types of insects that walk backwards.

In the chat box, type in /moonwalk your character will walk backwards instead of foward, but you must log out to undo it.

Emus Can't Walk Backwards was created in 2007.