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Colobinae

A langur in Pench National Park, India
A langur in Pench National Park, India
Colobinae is a subfamily of the Old World monkey family that includes 59 species in 10 genera, including the skunk-like black-and-white colobus, the large-nosed proboscis monkey, and the gray langurs. Some classifications split the colobine monkeys into two tribes, while others split them into three groups. Both classifications put the three African genera Colobus, Piliocolobus, and Procolobus in one group; these genera are distinct in that they have a stub thumb. The various Asian genera are placed into another one or two groups. Analysis of mtDNA confirms that the Asian species form two distinct groups, one of langurs and the other of the "odd-nosed" species, but suggests that the gray langurs are not closely related to either.[1]

Contents


Characteristics

Colobines are medium-sized primates with long tails and diverse colorations. The coloring of nearly all the young animals differs remarkably from that of the adults.

Most species are arboreal, although some live a more terrestrial life. They are found in many different habitats of different climate zones (rain forests, mangroves, mountain forests, and savanah), but not in deserts and other dry areas. They live in groups, but in different group forms.

They are almost exclusively herbivores, predominantly nourishing themselves on leaves, flowers, and fruits. They occasionally eat insects and other small animals. To aid in digestion, particularly of hard-to-digest leaves, they have a multi-chambered, complex stomach. Unlike the other subfamily of Old World monkeys, the Cercopithecinae, they possess no cheek pouches.

Gestation averages six to seven months. Young are weaned for approximately one year and are mature at 3 to 6 years. Their life expectancy is approximately 20 years.

Classification

Hybrids

Intergeneric hybrids are known to occur within the Colobinae subfamily. In India, gray langurs (Semnopithecus spp.) are known to hybridize with Nilgiri langurs (Trachypithecus johnii).[3]

References

bn: bg: ca:Colob de:Schlank- und Stummelaffen es:Colobinae eu:Colobinae fr:Colobinae ko: hr:Sakati majmuni id:Langur it:Colobinae sw:Mbega lt:Laibaliemen s be d ion s hu:Karcs majomform k nl:Slankapen no:Bladaper pl:Gerezy pt:Colobinae ru: simple:Langur sv:Langurer th: vi:Ph n h Kh ng n c i ng n






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