Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A 42-foot sperm whale has about 7 tons of oil in it.
209
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10