Jellyfish as a species are actually older than dinosaurs and sharks.
383
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
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
Female kangaroos have three vaginas.
2
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47