Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Cows can sleep standing up, but they can only dream lying down.
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Squirrels forget where they hide about half of their nuts.
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