Gibraltar’s monkeys may be eating soil to cope with junk food from tourists

On the tourist-packed ⁠Rock of Gibraltar, one of the most common sights is monkeys ⁠begging for food – and sometimes stealing sweet and salty snacks from unsuspecting visitors. Scientists now have documented an unusual behaviour among these macaques that may help them ward off a bellyache from all this junk food. Researchers said the monkeys have been observed eating soil more frequently, a behaviour they said may help the macaques avoid stomach upset from consuming human snacks. They found that...

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