Cats recognise the voice of their owner, but never evolved to care.
22
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
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 oldest creature ever found was Ming the clam at an admirable 507 years old.
16