Rattlesnake mating sessions have been known to last more than 22 hours.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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Vanilla flavoring is sometimes made with an ingredient from beaver pee.
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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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