Cats recognise the voice of their owner, but never evolved to care.
22
Early American humans hunted car-size armadillos and used their shells for houses.
12
The octopus does not have a blind spot.
273
Gorillas can catch human colds and other illnesses.
205
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A cat can jump FIVE TIMES as high as it is tall!
371
The elephant brain weighs about 6,000g.
274
