Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
A cow produces around 200,000 glasses of milk in her lifetime.
373
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Gorillas can catch human colds and other illnesses.
205
The elephant brain weighs about 6,000g.
274