The ancestor of all domestic cats is the African Wild Cat which still exists today.
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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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Jellyfish as a species are actually older than dinosaurs and sharks.
383
A cat can jump FIVE TIMES as high as it is tall!
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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It has been estimated that a bite from a grizzly bear can crush a bowling ball.
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