Adolf Hitler had only one testicle. See more
An octopus can change its shape and color to blend in with its surroundings. See more
Your skin weighs about 3.2 kg. See more
An Octopus has 3 hearts. See more
A rat can last longer without water than a camel can. See more
The hairs on a polar bear are not white, but clear. They reflect light, so they appear white. See more
Leather has enough nutritional value to sustain life for a short time. See more
A group of crows is called a murder. See more
Starfish haven't got brains. See more