A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Drivers kill more deer than hunters do.
660
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
The octopus does not have a blind spot.
273
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156