That flamingos can sleep in lakes that freeze around their legs at night, drink boiling water, and survive conditions that expose them to arsenic and poisonous gases.
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That 'flibbertigibbet' is a Middle English word referring to a flighty or whimsical person, usually a young woman. In modern use, it is used as a slang term for a gossipy or overly talkative person.
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That 70% of all kestrels die before the age of one year.