Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
In Australia, there are spiders big enough to eat snakes.
20
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
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