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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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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Penguins have a gland above their eye that turns saltwater into freshwater.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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