
Kangaroo
Boxing champ with built-in trampolines.
Kangaroo vs Wolf
Tonight's science rumble is set in the visitor lawn, now closed for SCIENCE. No snacks were harmed.
Kangaroo
Macropus rufus
Kangaroos cannot hop backward. The contract with physics is one-way.
Grasses and shrubs. They are hoppy lawn mowers.
Wolf
Canis lupus
A howl can travel 10 kilometers through quiet forest.
Deer, moose, hares — whatever the pack can out-think.
Who do YOU think wins?

Wolf
Team captain of the wild.