Dire wolves actually existed, living up to 10,000 years ago before going extinct.
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There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
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Dogs have been man's pet for over 14,000 years.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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