The Basenji dog is the only dog that is not able to bark.
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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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In Australia, there are spiders big enough to eat snakes.
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Jellyfish as a species are actually older than dinosaurs and sharks.
383
The largest earthworm on record was found in South Africa and measured 22 feet.
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In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
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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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