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 group of kittens is called a "kindle".
10
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Cats and dogs can hear ultrasound.
350
The head of a jellyfish is called the "Bell."
6
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8