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
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Whales and dolphins can't taste anything other than salt.
11
A giraffe's kick is so powerful that it can decapitate a lion.
216
Dogs have been man's pet for over 14,000 years.
224