When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The largest earthworm on record was found in South Africa and measured 22 feet.
151
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cows can sleep standing up, but they can only dream lying down.
745