A 42-foot sperm whale has about 7 tons of oil in it.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45