Rattlesnake mating sessions have been known to last more than 22 hours.
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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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Parrot parents "name" their children with a signature call.
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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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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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