Gibraltar’s macaques have been observed engaging in geophagy, the consumption of soil and clay, in an apparent attempt to ...
Soil helps monkeys' stomachs settle after calorie-rich snacks from tourists, research suggests.
On the tourist-packed Rock of Gibraltar, one of the most common sights is monkeys begging for food - and sometimes stealing ...
Macaques living near the Rock of Gibraltar eat a lot of tourists' food. A new study suggests the monkeys have learned to eat dirt to settle their stomachs.
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