There are approximately three chickens for every human on Earth.
13
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Bats sleep 18-20 hours per day.
5
A scorpion can hold its breath for up to 6 days.
19
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Cows can sleep standing up, but they can only dream lying down.
745