The Basenji dog is the only dog that is not able to bark.
4
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
Sharks have been on the planet longer than trees.
14
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Tigers can see 6 times better at night than humans.
305
Sharks, like other fish, have their reproductive organs in their chests.
248
Ants tend to survive in a microwave because they find the coolest spot and wait!
17