The reindeer is the only mammal that can see UV light.
17
Lobsters have blue blood.
476
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212