Thick-tailed greater bush-babies are the largest of the bush babies. Like other bush babies, they makes a call that sounds like a human child crying.

Subspecies
Three. O.c.crassicaudatus, O.c.montieri, O.c.badius.

Life span
15 years.

Statistics
Head and body length: 25-40cm, Tail Length: 34-49cm, Weight: Female: 1.2kg, Male: 1.4kg.

Physical description
Thick-tailed greater bush babies have brown or grey fur, with exceptionally large ears, a pointed muzzle and large eyes. They are strongly built, with broad hands and feet adapted for grasping, with opposable first digits. As their name suggests, they have thick, bushy tails.

Distribution
They range across Somalia, Kenya, Tanzania, Rwanda and south to South Africa.

Habitat
Thick-tailed greater bush babies live in woodland, forested savannah, plantations and bamboo thickets.

Diet
They mostly feed on tree exudates and fruit, but they also take a small amount of animal prey, including invertebrates and small birds, reptiles and mammals.

Behaviour
They are nocturnal and arboreal, preferring the upper levels of the forest. Rather than leaping through the canopy, they tend to run along the branches.

Reproduction
Thick-tailed greater bush babies breed between May-October. After a gestation period of 126-136 days, females give birth to 1-3 offspring. The mothers carry the infants in their mouth and later on the back.

Conservation status
This species is not listed by the 2000 IUCN Red List.