One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
A cow produces around 200,000 glasses of milk in her lifetime.
373
Lobsters have blue blood.
476
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11