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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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Parrot parents "name" their children with a signature call.
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The colossal squid has the largest eyes in the world.
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