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
When you shave a guinea pig it looks like a little hippo.
19
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats sleep for 70% of their lives.
8