The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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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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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Cats and dogs can hear ultrasound.
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