|Angolan talapoin range|
The Angolan talapoin (Miopithecus talapoin), also known as the southern talapoin, is a species of primate in the family Cercopithecidae. Talapoins are the smallest species of Old-World monkeys.
The fur of the Angolan talapoin is coarsely banded yellow-and-black on the back and flanks and white or greyish white on the chest and belly. The head is round and short-snouted with a hairless face which has a black nose skin bordering the face. The scrotum is coloured pink medially and blue laterally. They show mild sexual dimorphism in body size, the average head and body length is 40 centimetres (16 in), the average tail length is 52.5 centimetres (20.7 in) and the average weight is 1,380 grams (49 oz) for males and 1,120 grams (40 oz) for females.
The Angolan talapoin is limited to dense evergreen vegetation on the banks of rivers that often flow through miombo ( Brachystegia ) woodland or, as that is cleared, areas under cultivation.
The Angolan talapoin occurs in the coastal watersheds south of the Congo River, including the Mebridege River, Loge River, Cuanza River, Nhia River and Cuvo River, they also extend into the upper reaches of the Cuango River. This species is found on the coast of Angola, south to about 13'S, and the Democratic Republic of the Congo as far as the Cuango River and on both sides of the Kasai River.
The Angolan talapoin is both diurnal and mainly arboreal, they occasionally descend to the ground while foraging. They are proficient swimmers and a common defensive strategy is to sleep on branches overhanging rivers so that they can dive into the water escape from danger.
The social organisation of the Angola talapoin is that they live in quite large groups of 60 to 100 animals. At night the group is gathered together in trees close to the water, splitting up into smaller sub-groups in the morning so that they can spread out to forage. Each group normally consists of several fully mature males, many females and their offspring. Angolan talapoins do not show any territoriality, which is unlike their close relatives the guenons. They seem to enjoy play and this mostly takes place between juveniles, however, the males tend to engage in social play more often than female.
The home ranges of the Angola talapoin are likely to be larger, and the population densities lower, than is the case with Gabon talapoin because forest strips are narrower and resources scarcer. The fluctuations in climate since the last glaciation have probably reinforced this species' primary adaptation to 'strip living' as longer dry seasons and less extensive flooding under the generally cooler and drier climate that now dominates outside the rainforest seems to have favoured more terrestrial habits than are apparent in the Gabon talapoin. It mainly feeds on fruits, but also on seeds, young foliage, and invertebrates.
Black-and-white colobuses are Old World monkeys of the genus Colobus, native to Africa. They are closely related to the red colobus monkeys of genus Piliocolobus. There are five species of this monkey, and at least eight subspecies. They are generally found in high-density forests where they forage on leaves, flowers and fruit. Social groups of colobus are diverse, varying from group to group. Resident-egalitarian and allomothering relationships have been observed among the female population. Complex behaviours have also been observed in this species, including greeting rituals and varying group sleeping patterns. Colobi play a significant role in seed dispersal.
Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae. Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons, macaques, and mabahlls. Common names for other Old World monkeys include the talapoin, guenon, colobus, douc, vervet, gelada, mangabey, langur, mandrill, surili (Presbytis), patas, and proboscis monkey. Phylogenetically, they are more closely related to apes than to New World monkeys. They diverged from a common ancestor of New World monkeys around 55 million years ago.
The blue monkey or diademed monkey is a species of Old World monkey native to Central and East Africa, ranging from the upper Congo River basin east to the East African Rift and south to northern Angola and Zambia. It sometimes includes Sykes', silver, and golden monkeys as subspecies.
The chacma baboon, also known as the Cape baboon, is, like all other baboons, from the Old World monkey family. It is one of the largest of all monkeys. Located primarily in southern Africa, the chacma baboon has a wide variety of social behaviors, including a dominance hierarchy, collective foraging, adoption of young by females, and friendship pairings. These behaviors form parts of a complex evolutionary ecology. In general, the species is not threatened, but human population pressure has increased contact between humans and baboons. Hunting, trapping, and accidents kill or remove many baboons from the wild, thereby reducing baboon numbers and disrupting their social structure.
Talapoins are the two species of Old World monkeys classified in genus Miopithecus. They live in central Africa, with their range extending from Cameroon and the Democratic Republic of the Congo to Angola.
The bay duiker, also known as the black-striped duiker and the black-backed duiker, is a forest-dwelling duiker native to western and southern Africa. It was first described by British zoologist John Edward Gray in 1846. Two subspecies are identified. The bay duiker is reddish-brown and has a moderate size. Both sexes reach 44–49 cm (17–19 in) at the shoulder. The sexes do not vary considerably in their weights, either; the typical weight range for this duiker is 18–23 kg (40–51 lb). Both sexes have a pair of spiky horns, measuring 5–8 cm (2.0–3.1 in). A notable feature of this duiker is the well-pronounced solid stripe of black extending from the back of the head to the tail.
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Wolf's mona monkey, also called Wolf's guenon, is a colourful Old World monkey in the family Cercopithecidae. It is found in central Africa, primarily between the Democratic Republic of the Congo and Uganda. It lives in primary and secondary lowland rainforest and swamp forest.
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The Gabon talapoin, also known as the northern talapoin, is a small species of African monkey in the family Cercopithecidae. It is found in riparian habitats in Cameroon, Equatorial Guinea, Gabon, and western Republic of the Congo and far western Democratic Republic of Congo. It may have been introduced to Fernando Poo and the Canary Islands. Unlike the related Angolan talapoin, the Gabon talapoin has flesh-coloured ears and facial skin.
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