It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
Dogs sometimes fake being sick to get attention.
26