Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Gorillas can catch human colds and other illnesses.
205
Sharks, like other fish, have their reproductive organs in their chests.
248
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
There's a rare breed of pig that looks like a sheep.
14