Dogs have been man's pet for over 14,000 years.
224
The Basenji dog is the only dog that is not able to bark.
4
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
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
A 42-foot sperm whale has about 7 tons of oil in it.
209