Squirrels forget where they hide about half of their nuts.
698
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 male seahorse carries babies and 'gives birth' to them instead of the female.
7
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Sharks have been on the planet longer than trees.
14
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17