FERAL: Foundation for Ecological Research, Advocacy and Learning

Foundation for Ecological Research, Advocacy and Learning

Parapatary between the common Langur (Semnopithecus priam) and the Nilgiri Language (Semnopithecus johini)


The genus Semnopithecus in south India is represented by the Nilgiri langur (S. johnii) and the common Hanuman langur (S. priam thersites). The Nilgiri langur is an endemic to the Western Ghats and is a threatened species while the status of the common langur, an endemic to the Indian-subcontinent, is not known due to deficient data. The lack of knowledge of their distribution, ecology and status makes it difficult for informed conservation initiatives.

These closely related langur species have been reported to hybridise in regions where their ranges adjoin i.e. regions where they are parapatric. The mechanism by which such parapatry is maintained is of considerable importance in understanding the evolution and speciation of the genus. A comparative study of their distribution and ecology is imperative for elucidating these mechanisms.


Project Information


Sunita Ram
Principal Investigator

Project Information

Budget: ₹ 155,951

Duration: June, 2010 to December, 2013

Funding Agencies

Primate Conservation Inc USA

Project Images

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