The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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There's a rare breed of pig that looks like a sheep.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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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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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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An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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