Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
When cats are happy, they may squeeze their eyes shut.
10
Rattlesnake mating sessions have been known to last more than 22 hours.
232
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4