Monkeys hooked on Haribo eat soil to settle their stomachs
Gibraltar monkeys eat soil to digest
- Monkeys in Gibraltar find way to keep eating tourist junk food without the upset stomach The Independent —
- Monkeys learn to swallow soil so they can 'keep eating junk food stolen from tourists' Daily Star —
- Monkeys learn to swallow soil so they can keep eating junk food – research The Standard —
- Monkeys learn to swallow soil so they can keep eating junk food – research The Independent —
- Gibraltar’s monkeys eat mud ‘to avoid upset stomachs from tourist junk food’ The Guardian —