When you shave a guinea pig it looks like a little hippo.
19
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The cat brain weighs about 30g.
167