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
Mosquitoes don't just bite you, they also pee on you.
11
Whales and dolphins can't taste anything other than salt.
11
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A puppy is born blind, deaf, and toothless.
16
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13