
Rattlesnake
A desert alarm clock with a noisy tail.
Rattlesnake vs Cassowary
Tonight's science rumble is set in the visitor lawn, now closed for SCIENCE. 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.
Cassowary
Casuarius casuarius
Dads sit on the eggs and raise the striped chicks.
Mostly fruit. They are forest gardeners who accidentally plant trees with leftovers.
Who do YOU think wins?

Cassowary
The rainforest's dinosaur that never left.