White-thighed colobus, Geoffroy's black-and-white colobus, White-thighed black-and-white colobus
The ursine colobus (Colobus vellerosus, white-thighed colobus, Geoffroy's black-and-white colobus, white-thighed black-and-white colobus) is a species of primate in the family Cercopithecidae.
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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FolivoreIn zoology, a folivore is a herbivore that specializes in eating leaves. Mature leaves contain a high proportion of hard-to-digest cellulose, less ...
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FrugivoreA frugivore is an animal that thrives mostly on raw fruits or succulent fruit-like produce of plants such as roots, shoots, nuts, and seeds. Approx...
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GranivoreSeed predation, often referred to as granivory, is a type of plant-animal interaction in which granivores (seed predators) feed on the seeds of pla...
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HerbivoreA herbivore is an animal anatomically and physiologically adapted to eating plant material, for example, foliage, for the main component of its die...
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ArborealArboreal locomotion is the locomotion of animals in trees. In habitats in which trees are present, animals have evolved to move in them. Some anima...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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TerritorialA territory is a sociographical area that which an animal consistently defends against the conspecific competition (or, occasionally, against anima...
Among animals, viviparity is the development of the embryo inside the body of the parent. The term 'viviparity' and its adjective form 'viviparous'...
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PolygynyPolygyny is a mating system in which one male lives and mates with multiple females but each female only mates with a single male.
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PolygamyPolygamy is the practice of breeding with multiple partners. When a male breeds with more than one female at the same time – it is called polygyny....
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Dominance hierarchyA dominance hierarchy (formerly and colloquially called a pecking order) is a type of social hierarchy that arises when members of animal social gr...
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Not a migrantAnimals that do not make seasonal movements and stay in their native home ranges all year round are called not migrants or residents.
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starts withThe ursine colobus is quite distinctive, with predominantly black fur and lacking a white mantle. They have a black and naked face which is surrounded by a thick white halo of fur. The ursine colobus is further characterized by white patches on the thighs which vary in width and length. Like other species of colobus, the babies are born with an all white fur coat, which starts to turn black at around three months of age. In contrast to other species of colobus, they have slender bodies and ischial callosities, a hard thickened area of skin on the buttocks that allows comfortable sitting on branches. It has an all white tail which is longer than the body. They weigh between 9.9 to 10.3 kg (22 to 23 lb) for males and 8.3 to 8.7 kg (18 to 19 lb) in females with a body length of is 61 to 66 cm (24 to 26 in) in males and 61 to 64 cm (24 to 25 in) in females.
Ursine colobuses are found in lowland rainforest and in gallery forests which extend northwards into the Guinea Forest Savannah Zone. In Bénin, these monkeys were observed in several habitats, including swamp forests, semi-deciduous forests and gallery forests.
It is found in Benin, Ivory Coast, Ghana, Nigeria, and Togo, as well as very southernmost Burkina Faso. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Ursine colobus are diurnal and highly arboreal, coming down from trees only occasionally when feeding. Their social behavior is like that of many polygynous monkeys, with each group consisting of related females their juvenile offspring and a territorial male. The males are highly territorial and disperse upon reaching sexual maturity.
Ursine colobus use a roaring call to advertise territory and location, this roar is a low "rur, rur, rur" noise. They also have alarm calls that alert group members when predators have been seen which are a "snorting" sound, made by all members of the group except infants.
Ursine colobus are mainly vegetarian and have a diet which is made up of new leaves and seeds, with the occasional addition of fruits, insects, and termite clay.
The ursine colobus is threatened by both hunting and deforestation. Its range falls within a region which includes a dense and rapidly growing human population, where forest destruction has been extensive, and there is uncontrolled hunting of wildlife in many places. However, in some parts of their range these monkeys are held to be sacred. It is listed as Class A under the African Convention, and under Appendix II of CITES. They are known to live within a number of protected areas including Comoe National Park, Fazao-Malfakassa National Park and Mole, Bui and Digya National Parks (Ghana).
Social animals are those animals that interact highly with other animals, usually of their own species (conspecifics), to the point of having a rec...