A cow produces around 200,000 glasses of milk in her lifetime.
373
Squirrels forget where they hide about half of their nuts.
698
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14