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
The elephant brain weighs about 6,000g.
274
Domestic pigs average a top speed of about 11 miles per hour.
182
Dogs sometimes fake being sick to get attention.
26
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20