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.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
A scorpion can hold its breath for up to 6 days.
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