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
There's a rare breed of pig that looks like a sheep.
14
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cats recognise the voice of their owner, but never evolved to care.
22
When you shave a guinea pig it looks like a little hippo.
19