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
Only 3% of bird species have penises.
0
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Whales and dolphins can't taste anything other than salt.
11
When you shave a guinea pig it looks like a little hippo.
19
Gorillas can catch human colds and other illnesses.
205
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Two dogs were among the Titanic survivors.
262