
Rattlesnake
A desert alarm clock with a noisy tail.
Rattlesnake vs Crocodile
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.
Crocodile
Crocodylus niloticus
Crocodiles have been around since the time of dinosaurs.
Fish, mammals, birds — if it comes to the water's edge, it is on the menu.
Who do YOU think wins?

Crocodile
A living fossil with a trapdoor mouth.