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
The head of a jellyfish is called the "Bell."
6
Whales and dolphins can't taste anything other than salt.
11
The cat brain weighs about 30g.
167
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
A dork is a whale's penis.
327