The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Mosquitoes don't just bite you, they also pee on you.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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