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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Rattlesnake mating sessions have been known to last more than 22 hours.
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Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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