
Rattlesnake
A desert alarm clock with a noisy tail.
Rattlesnake vs Hippo
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.
Hippo
Hippopotamus amphibius
Hippo sweat looks reddish. People called it blood-sweat. It is really a natural sunscreen.
Hippos graze grass at night. By day they soak and... argue.
Who do YOU think wins?

Hippo
A floating boulder with kitchen-knife tusks.