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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Cats recognise the voice of their owner, but never evolved to care.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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A dork is a whale's penis.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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