Bats sleep 18-20 hours per day.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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Mosquitoes don't just bite you, they also pee on you.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
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The oldest creature ever found was Ming the clam at an admirable 507 years old.
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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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