Gibraltar’s macaques have been observed eating soil more frequently in tourist areas, likely to counteract digestive issues caused by consuming high-calorie snacks from visitors. doi.org/hbx4hv
Monkeys in a tourism hotspot have learned that swallowing dirt can quell the upset stomachs caused by overconsumption of sweet and salty snacks fed to them by holidaymakers, a new University of Cambridge-led study suggests.
