Sharks, like other fish, have their reproductive organs in their chests.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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The reindeer is the only mammal that can see UV light.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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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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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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