The largest earthworm on record was found in South Africa and measured 22 feet.
151
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2