When you shave a guinea pig it looks like a little hippo.
19
A scorpion can hold its breath for up to 6 days.
19
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
Cows can sleep standing up, but they can only dream lying down.
745