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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Cows can sleep standing up, but they can only dream lying down.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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Rattlesnake mating sessions have been known to last more than 22 hours.
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