One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A dairy cow can produce more milk when listening to music.
446
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5