
Kangaroo
Boxing champ with built-in trampolines.
Kangaroo vs Bison
Tonight's science rumble is set in a rumble pit drawn in chalk by very excited zookeepers. 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.
Bison
Bison bison
Bison are the largest land animals in North America.
Grass. Lots of grass. They are walking lawns with opinions.
Who do YOU think wins?

Bison
A shaggy locomotive with horns.