Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The seahorse is the only fish to have a neck.
12
A group of unicorns is called a blessing.
304
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 octopus does not have a blind spot.
273
The head of a jellyfish is called the "Bell."
6
When you shave a guinea pig it looks like a little hippo.
19