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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The elephant brain weighs about 6,000g.
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One in three dog owners say they have talked to their pets on the phone.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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A cat can jump FIVE TIMES as high as it is tall!
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