- Hatinh Langur
The Hatinh Langur ("Trachypithecus hatinhensis") is a highly threatened
Old World monkey found in limestone forests inVietnam , primarily in theQuang Binh Province . A recent survey discovered a small population living in theQuang Tri Province . Contrary to its name, it is not known from theHa Tinh Province . The local Van Kieu minority refer to thislutung as the 'Con Cung', which roughly translates as "black, cliff-dwelling monkey with a long tail". [ [http://www.birdlife.org/news/news/2005/11/langur.html Vietnam survey team finds rare primate.] BirdLife International news. Accessed2008-07-15 ] It resembles the closely relatedFrancois' Langur ("T. francoisi"), but its white cheek-stripes extend behind the ears onto the nape.This diurnal, largely
arboreal langur is social and typically seen in groups of 2-15, but occasionally groups may number as many as 30 individuals.Nguyen Manh Ha. 2006. "Some Observations on the Hatinh langur, Trachypithecus laotum hatinhensis (Dao, 1970), in North Central Vietnam." Primate Concervation. 21: 149-154. [http://www.primate-sg.org/PDF/PC21.hatinhensis.pdf Available online (PDF)] ] It has often been considered asubspecies of the Francois' Langur, but was elevated to a full species by Bradon-Jones in 1995, [Bradon-Jones, D. 1995. "A revision of the Asian pied leaf monkeys (Mammalia: Cercopithecidae: Superspecies Semnopithecus auratus), with the description of a new subspecies." Raffles Bull. Zool. 43: 3-43] and this was followed by Groves, 2005. Both, however, listed it as a subspecies in 2004, [Bradon-Jones, D., A. A. Eudey, T. Geissmann, C. P. Groves, D. J. Melnick, J. C. Morales, M. Shekelle, and C. B. Stewart. 2004. "Asian primate classification." International Journal of Primatology. 23: 97-164.] and genetic work suggest it should be considered a subspecies of theLaotian Langur ("T. laotum"). [Roos, C. 2004. "Molecular evolution and systematics of Vietnamese primates." In: Nadler, T., U. Streicher, and Ha Thang Long (eds). Conservation of Primates in Vietnam: 23-28.] [Roos, C., T. Nadler, Y. P. Zhang, H. Zischler. 2001. "Molecular evolution and distribution of the superspecies Trachypithecus [francoisi] ." Folia Primatol. 72: 181-182.]References
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