The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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A group of kittens is called a "kindle".
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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