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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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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All clams start out as males; some decide to become females at some point in their lives.
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Dolphins sleep with one eye open!
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The Jewel Wasp injects a drug into a cockroach’s brain, turns it into a zombie, rides it like a horse back to its burrow, and then lets its hatched larvae feed on the cockroaches body from the inside.
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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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Human birth control pills work on gorillas.
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Gorillas can catch human colds and other illnesses.
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