Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
A group of unicorns is called a blessing.
304
The Basenji dog is the only dog that is not able to bark.
4
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
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
The reindeer is the only mammal that can see UV light.
17