Sheep, goats, octopuses, and toads have rectangular pupils.
7
Male monkeys lose the hair on their heads in the same way men do.
41
Crocodiles swallow stones to help them dive deeper.
55
At birth, a panda bear is smaller than a mouse.
40
Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
46
Lobsters have blue blood.
476
Cows can sleep standing up, but they can only dream lying down.
745
