The following references were used in the writing of this factsheet. To
find current references for Nomascus leucogenys, search
PrimateLit.
Note that the species is often referred to as Hylobates leucogenys.
REFERENCES
Cunningham CL, Anderson JR, Mootnick AR. In press. Object manipulation to obtain a
food reward in hoolock gibbons (Hoolock hoolock). Anim Behav.
Dao Van Tien. 1983. On the north Indochinese gibbons (Hylobates
concolor) (primates: Hylobatidae) in North Vietnam. J Hum Evol 12:
367-72.

Photo: Bertrand L. Deputte
Deputte BL. 1982. Duetting in male and female songs of the white-cheeked
gibbon (Hylobates concolor leucogenys). In: Snowdon CT, Brown CH,
Petersen MR, editors. Primate communication. Cambridge (England):
Cambridge Univ Pr. p 67-93.
Geissmann T. 1991. Reassessment of age of sexual maturity in gibbons
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Gerald MS. 2003. How color may guide the primate world: possible
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primates: new perspectives and directions. Volume 3, Special topics in
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Lukas KE, Barkauskas RT, Maher SA, Jacobs BA, Bauman JE, Henderson AJ,
Calcagno JM. 2002. Longitudinal study of delayed reproductive success in
a pair of white-cheeked gibbons (Hylobates leucogenys). Zoo Biol 21:
413-34.
Macdonald D, editor. 2001. The encyclopedia of mammals. Volume 2,
Primates and large herbivores. New York: Facts on File. 930 p.
Nadler RD, Dahl JF, Collins DC. 1993. Serum and urinary concentrations
of sex hormones and genital swelling during the menstrual cycle of the
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Nowak RM. 1999. Walker's mammals of the world. Volume I. Baltimore (MD):
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monogamous social systems. Behaviour 128(1-2): 65-101.
Rowe N. 1996. The pictorial guide to the living primates. East Hampton
(NY): Pogonias Pr. 263 p.
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beings. New Haven (CT): Yale Univ Pr. 326 p.
Schilling D. 1984. Song bouts and duetting in the concolor gibbon. In:
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apes: evolutionary and behavioural biology. Edinburgh (Scotland):
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Varsik A, compiler. 2001. North American regional studbook for
white-cheeked gibbon Nomascus leucogenys and golden-cheeked gibbon
Nomascus Gabriella. Santa Barbara (CA): Santa Barbara Zoo Gardens. 33 p.
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Content last modified: July 3, 2005