Читать книгу Fauna of Africa. Photo Album 2020 - Romans Arzjancevs - Страница 65

– Average longevity in captivity is 28 years.

– Drills are diurnal and social animals. They typically form small groups of an average of 20 individuals.

– Unfortunately, drills are now a threatened species, with only an estimated 3,000 drills or less remaining in the wild.