Penguins have a gland above their eye that turns saltwater into freshwater.
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There are approximately three chickens for every human on Earth.
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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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Two dogs were among the Titanic survivors.
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Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
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Denmark has twice as many pigs as there are people.
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