
Rattlesnake
A desert alarm clock with a noisy tail.
Rattlesnake vs Kangaroo
Tonight's science rumble is set in the empty savanna exhibit after closing time. No snacks were harmed.
Rattlesnake
Crotalus atrox
A new rattle segment is added each time they shed.
Mice, rats, rabbits — small warm snacks of the desert.
Kangaroo
Macropus rufus
Kangaroos cannot hop backward. The contract with physics is one-way.
Grasses and shrubs. They are hoppy lawn mowers.
Who do YOU think wins?

Kangaroo
Boxing champ with built-in trampolines.