Hylobates
Encyclopedia
The genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Hylobates (icon) is one of the four genera of gibbon
Gibbon
Gibbons are apes in the family Hylobatidae . The family is divided into four genera based on their diploid chromosome number: Hylobates , Hoolock , Nomascus , and Symphalangus . The extinct Bunopithecus sericus is a gibbon or gibbon-like ape which, until recently, was thought to be closely related...

s. It was once considered the only genus, but recently its subgenera (Hoolock [formerly Bunopithecus], Nomascus
Nomascus
Nomascus is the second most speciose genus of gibbons . Originally this genus was a subgenus of Hylobates, and all individuals were considered one species, Hylobates concolor. Species within Nomascus are characterized by 52 chromosomes...

, and Symphalangus) have been elevated to the genus level. Hylobates remains the most speciose and widespread of gibbon genera, ranging from southern China (Yunnan
Yunnan
Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...

) to western and central Java. Individuals within this genus are characterized by 44 chromosomes and often have a ring of white fur around their faces.

Classification

  • Family Hylobatidae: gibbons
    • Genus Hylobates
      • Lar gibbon
        Lar Gibbon
        The lar gibbon , also known as the white-handed gibbon, is a primate in the Hylobatidae or gibbon family. It is one of the better-known gibbons and is often seen in zoos.-Range:...

         or white-handed gibbon, Hylobates lar
        • Malaysian lar gibbon, Hylobates lar lar
        • Carpenter's lar gibbon, Hylobates lar carpenteri
        • Central lar gibbon, Hylobates lar entelloides
        • Sumatran lar gibbon
          Sumatran Lar Gibbon
          The Sumatran lar gibbon , also known as the Sumatran white-handed gibbon, is a subspecies of the lar gibbon, a primate in the Hylobatidae or gibbon family...

          , Hylobates lar vestitus
        • Yunnan lar gibbon
          Yunnan Lar Gibbon
          The Yunnan lar gibbon , also known as the Yunnan white-handed gibbon, is a subspecies of the lar Gibbon, a primate in the Hylobatidae or gibbon family. This Chinese subspecies is thought to be extinct.-Taxonomy:...

          , Hylobates lar yunnanensis
      • Bornean white-bearded gibbon
        Bornean white-bearded gibbon
        The Bornean white-bearded Gibbon, , also known as the Bornean agile Gibbon or Southern Gibbon, is an endangered species of gibbon endemic to southern Borneo, between the Kapuas and Barito rivers....

        , Hylobates albibarbis
      • Agile gibbon
        Agile Gibbon
        The agile gibbon , also known as the black-handed gibbon, is an Old World primate in the Hylobatidae or gibbon family, a group also collectively referred to as the "lesser apes"...

         or black-handed gibbon, Hylobates agilis
      • Müller's Bornean gibbon
        Müller's Bornean Gibbon
        Müller's Bornean gibbon , also known as the grey gibbon, is a primate in the Hylobatidae or gibbon family.Unlike other gibbon species, Müller's Bornean gibbon does not show sexual dimorphism in its fur coloration. Its fur is grey or brown colored with a ring of bright fur around its face. On the...

        , Hylobates muelleri
        • Müller's gray gibbon, Hylobates muelleri muelleri
        • Abbott's gray gibbon, Hylobates muelleri abbotti
        • Northern gray gibbon, Hylobates muelleri funereus
      • Silvery gibbon
        Silvery Gibbon
        The silvery gibbon is a primate in the Hylobatidae or gibbon family. Its coat is bluish-grey in colour, with a dark grey or black cap. Like all gibbons, Silvery Gibbons lack external tails, have dorsally-placed scapula and reduced flexibility in the lumbar region. They have long, curved fingers...

        , Hylobates moloch
        • Western silvery gibbon or western Javan gibbon, Hylobates moloch moloch
        • Eastern silvery gibbon or central Javan gibbon, Hylobates moloch pongoalsoni
      • Pileated gibbon
        Pileated Gibbon
        The pileated gibbon is a primate in the Hylobatidae or gibbon family.The pileated gibbon has sexual dimorphism in fur coloration: males have a purely black fur, while the females have a white-grey colored fur with only the belly and head black...

         or capped gibbon, Hylobates pileatus
      • Kloss's gibbon
        Kloss's Gibbon
        Kloss's gibbon , also known as the Mentawai gibbon or the Bilou, is a primate in the Hylobatidae or gibbon family. It resembles the Siamang with its black fur, but is considerably smaller and lacks the Siamang's distinctive throat pouch. Kloss's gibbon reaches a size 44 to 63 cm and weigh at most 6...

         or Mentawai gibbon or bilou, Hylobates klossii
    • Genus Hoolock
    • Genus Symphalangus
    • Genus Nomascus
      Nomascus
      Nomascus is the second most speciose genus of gibbons . Originally this genus was a subgenus of Hylobates, and all individuals were considered one species, Hylobates concolor. Species within Nomascus are characterized by 52 chromosomes...


Hybrids

Hybrids between Müller's Bornean gibbon
Müller's Bornean Gibbon
Müller's Bornean gibbon , also known as the grey gibbon, is a primate in the Hylobatidae or gibbon family.Unlike other gibbon species, Müller's Bornean gibbon does not show sexual dimorphism in its fur coloration. Its fur is grey or brown colored with a ring of bright fur around its face. On the...

 (Hylobates muelleri) and the Bornean white-bearded gibbon
Bornean white-bearded gibbon
The Bornean white-bearded Gibbon, , also known as the Bornean agile Gibbon or Southern Gibbon, is an endangered species of gibbon endemic to southern Borneo, between the Kapuas and Barito rivers....

, (Hylobates albibarbis) have been reported in areas of Borneo
Borneo
Borneo is the third largest island in the world and is located north of Java Island, Indonesia, at the geographic centre of Maritime Southeast Asia....

.

External links

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