The Basenji dog is the only dog that is not able to bark.
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Lobsters have blue blood.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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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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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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