Habitat use by western purple-faced langurs Trachypithecus vetulus nestor (Colobinae) in a fragmented suburban landscape

Abstract

ESR Endangered Species Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials ESR 12:227-234 (2010) - DOI: https://doi.org/10.3354/esr00307 Contribution to the Theme Section 'Responses of animals to habitat alteration' Habitat use by western purple-faced langurs Trachypithecus vetulus nestor (Colobinae) in a fragmented suburban landscape R. S. Moore, K. A. I. Nekaris*, C. Eschmann Anthropology Centre for Conservation Environment and Development,School of Social Sciences and Law, Oxford Brookes University, Oxford OX3 0BP, UK *Corresponding author. Email: anekaris@brookes.ac.uk ABSTRACT: As natural habitats around the globe disappear, humans and non-human primates become increasingly engaged in complex interactions, both peaceful and hostile. Sri Lanka's endemic western purple-faced langur Trachypithecus vetulus nestor persists in the majority of its range in complete sympatry with humans. Listed as Critically Endangered by the IUCN and one of the world's top 25 most endangered primates, their survival appears dependent on the tolerance of humans with whom they coexist. Our aims were to augment the limited information on T. v. nestor focusing on group composition and behavioural adaptations in relation to its heavily fragmented habitat. Research was carried out in Talangama Wetlands, Sri Lanka in 2007. The 5 groups varied in size from 11 to 19 individuals Monkeys regularly used fences, rooftops, power lines, and agricultural trees. Two groups of 19 and 16 individuals had home ranges of 3.06 and 2.86 ha respectively. They consumed a variety of foods including fruits, showing dietary flexibility; the fruits and leaves of Arctocarpus heterophyllus were the langurs' most frequently consumed foods. The langurs seem to be adapting to these human-modified environments. Notwithstanding, areas for concern include potentially fatal dangers when crossing between fragments, increasing human–primate conflict and inter-group conflict, and permanent genetic isolation. KEY WORDS: Human–wildlife conflict · Commensalism · Sri Lanka · Ethnoprimatology · Infanticide · Semnopithecus Full text in pdf format PreviousNextCite this article as: Moore RS, Nekaris KAI, Eschmann C (2010) Habitat use by western purple-faced langurs Trachypithecus vetulus nestor (Colobinae) in a fragmented suburban landscape. Endang Species Res 12:227-234. https://doi.org/10.3354/esr00307Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in ESR Vol. 12, No. 3. Online publication date: September 20, 2010 Print ISSN: 1863-5407; Online ISSN: 1613-4796 Copyright © 2010 Inter-Research.

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