When cats are happy, they may squeeze their eyes shut.
10
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Lobsters have blue blood.
476
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
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
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8