Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
There's a rare breed of pig that looks like a sheep.
14
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A group of unicorns is called a blessing.
304
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23