Patas monkeys are quadrupedal and are considered to be the fastest primate, running at speeds of 55km/hr.

Subspecies
C.p.baumstarki, C.p.patas, C.p.pyrrhonotus, C.p.villiersi.

Life span
21 years.

Statistics
Head and body length: Female: 49cm, Male: 60-87cm. Tail length: Female: 49cm, Male: 62cm. Weight: Female: 4-7, Male: 7-13kg.

Physical description
These are large monkeys with long, slender limbs. The back and sides are reddish brown and the under-parts are grey/white. They have a white moustache and the face varies from black to light grey. They have shaggy, grey-streaked shoulders and males have a bright blue scrotum.

Distribution
They range from West Africa to Ethiopia, Kenya and Tanzania.

Habitat
They inhabit acacia woodland and dry savannah.

Diet
Patas monkeys feed on fruit, seeds, grass, insects, lizards and bird eggs.

Behaviour
Patas monkeys live in groups of 5-34, typically consisting of one male and many females. The troop is led by females, and males are non-territorial, ignoring the female's boundary disputes. They are diurnal and mostly terrestrial, although they do also spend time in the trees. Patas monkeys are quadrupedal and are very fast runners.

Reproduction
After a gestation period of 167 days, females give birth to one infant between December and February. The infants are black until they are two months old.

Conservation status
Patas monkeys are not on the 2000 IUCN Red List.