
Koala
A sleepy specialist with surprising claws.
Koala vs Hippo
Tonight's science rumble is set in the picnic meadow, sandwiches evacuated. No snacks were harmed.
Koala
Phascolarctos cinereus
A koala's fingerprint looks a lot like a human's. Weird science.
Almost only eucalyptus. Most of those leaves would upset other animals' stomachs.
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.