Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Mosquitoes don't just bite you, they also pee on you.
11
The octopus does not have a blind spot.
273
The elephant brain weighs about 6,000g.
274
The cat brain weighs about 30g.
167
There's a rare breed of pig that looks like a sheep.
14
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79