Males are solitary foragers, females live in small groups.
Fruit and animal prey, including beetles, ants, termites, snails and birds. Females 'park' their infants in constructed nests while they search for food, moving them away from danger by carrying them in their mouths. Male brown bushbabies are solitary foragers, while related females may forage together within overlapping territories. Both sexes are active at night and return to tree hollows or vine tangles to sleep during the day. Brown bushbabies are found throughout Somalia, Tanzania and Zanzibar.