Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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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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A cow produces around 200,000 glasses of milk in her lifetime.
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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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The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
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