It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
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
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Jellyfish as a species are actually older than dinosaurs and sharks.
383