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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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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Squirrels forget where they hide about half of their nuts.
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A group of kittens is called a "kindle".
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
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