
Kangaroo
Boxing champ with built-in trampolines.
Kangaroo vs Rattlesnake
Tonight's science rumble is set in the empty savanna exhibit after closing time. 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.
Rattlesnake
Crotalus atrox
A new rattle segment is added each time they shed.
Mice, rats, rabbits — small warm snacks of the desert.
Who do YOU think wins?

Rattlesnake
A desert alarm clock with a noisy tail.