Cats and dogs can hear ultrasound.
350
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The oldest recorded elephant lived for 82 years.
213
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 colossal squid has the largest eyes in the world.
4
Sloths take two weeks to digest their food.
243
Jumping fleas can accelerate 50 times faster than the space shuttle.
218