from The Century Dictionary.

  • noun The active gibbon of Sumatra, Hylobates agilis. Also called ungha, ungka-pati, ungka-etam.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) The agile gibbon; -- called also ungka-pati, and ungka-etam. See gibbon.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun archaic The agile gibbon.


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  • A type of primate, according to Gibbon.

    December 28, 2012

  • IUCN says: 'There is debate as to the validity of the subspecies. The general consensus seems to be that this species is monotypic, though some experts recognize two subspecies: H. a. agilis to the west, and H. a. unko to the east (these may possibly correspond with ?mountain? and ?lowland? forms, respectively). All this is not to be confused with the two main color morphs found throughout the species? range, though in general the pale morph is more common in the Barisan Range of Sumatra, while in the eastern lowlands and in the Malay Peninsula black predominates (Marshall and Sugardjito 1986).'

    Indeed it's the pale one that is referred to as ungka putih - white gibbon - in Indonesian and Malay and the darker one that is referred to as ungka hitam - black gibbon.

    I saw some in the wild in Lampung in about 1990.

    December 28, 2012

  • Neat that you got to see a gibbon, bilby. My invocation of the British historian was an attempt at paronomasia.

    December 29, 2012