When you shave a guinea pig it looks like a little hippo.
19
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
The head of a jellyfish is called the "Bell."
6
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14