Sheep, goats, octopuses, and toads have rectangular pupils.
7
The cat brain weighs about 30g.
167
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
The octopus does not have a blind spot.
273
Dogs have been man's pet for over 14,000 years.
224
Mosquitoes don't just bite you, they also pee on you.
11
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Bats sleep 18-20 hours per day.
5