A group of kittens is called a "kindle".
10
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
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45