Sharks have been on the planet longer than trees.
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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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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
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