Los macacos ingieren terrones de arena para ayudar a su sistema digestivo a lidiar con los azúcares, grasas y lácteos de las chucherías humanas

Gibraltar’s famous macaques have started eating soil, a behaviour linked to their access to tourist snacks, according to a new study.

Macaques have learned to eat soil to avert gut irritation caused by salty and sugary snacks, researchers believe

Barbary macaques are munching on junk food ‘extremely rich in calories, sugar, salt and dairy’, say researchers