They can swim backwards in short bursts, if that's what you mean.
No. A kangaroo can neither jump nor walk backwards.
yes grasshoppers can in dead amazingly jump backwards yep they can jump backwards
Dick Fosbury
Yes.
yes
Cables backwards.
The Harrier Jump Jet
you run backwards and then you jump over him
Jack Cascio shows you in this video how you can jump higher and dunk.
To perform a backwards wall eject, simply hold down the action button and press A (for Xbox 360) to jump to the wall/ledge/etc behind you.
A standing broad jump, not too far. A running jump, much further. And there are tricks, such as running and tossing weights backwards, which adds further distance to the jump.
you jump on the tower press A then double jump backwards then fall into the glich where you will get past the tower