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
Cats recognise the voice of their owner, but never evolved to care.
22
Rattlesnake mating sessions have been known to last more than 22 hours.
232
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Gorillas can catch human colds and other illnesses.
205