15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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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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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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