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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Whales and dolphins can't taste anything other than salt.
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When dragonflies mate, their tails form a love heart.
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The cat brain weighs about 30g.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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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