When you shave a guinea pig it looks like a little hippo.
19
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A cat can jump FIVE TIMES as high as it is tall!
371
The colossal squid has the largest eyes in the world.
4
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8