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