Dolphins have names for one another.
18
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
There's a rare breed of pig that looks like a sheep.
14
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
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
When cats are happy, they may squeeze their eyes shut.
10