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      https://www.ias.ac.in/article/fulltext/jbsc/046/0039

    • Keywords

       

      Lowland rainforest fragment; Predation risk; Upper Brahmaputra Valley; Assam

    • Abstract

       

      Very large and stable, socially coherent primate groups, not including fission-fusion societies, are usually rare innature, owing to constraints imposed by various ecological and social factors. Moreover, unlike species in openhabitats, those in forests tend to have smaller groups, and this becomes further accentuated in small and fragmentedforest patches. We report here an unusually large troop of stump-tailed macaques Macaca arctoides from theHollongapar Gibbon Sanctuary, a small and isolated lowland tropical rainforest patch in the Upper BrahmaputraValley of northeastern India – this is possibly the largest wild group of the species recorded anywhere across itsdistribution range. We hypothesise the potential factors driving the formation of such a large social group of thisvulnerable cercopithecine primate and discuss the conservation implications of this phenomenon.

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    • Author Affiliations

       

      NARAYAN SHARMA1 2 MAYUR BAWRI1 3 DHARITRI DAS4 KISHORE DEKA5 NEEHARIKA GOGOI1 SHAH NAWAZ JELIL6 7 HIMANGSHU KALITA1 PRAGOTI KALITA8 PRANJAL MAHANANDA9 MURCHANA PARASAR6 DIPIKA PARBO9 10 SOMOYITA SUR9 ANINDYA SINHA1 2 11 12

      1. Department of Environmental Biology and Wildlife Sciences, Cotton University, Guwahati, India
      2. School of Natural Sciences and Engineering, National Institute of Advanced Studies, Bengaluru, India
      3. The Corbett Foundation, Kaziranga, Assam, India
      4. Village and Post Office Sikarhati, District Kamrup Rural, Assam 781 125, India
      5. Department of Botany, Gauhati University, Guwahati, India
      6. Environ, Guwahati, India
      7. Wildlife Institute of India, Dehradun, India
      8. Durgasarobor, House No 12, Post Office Bharalumukh, District Kamrup Metropolitan, Guwahati, Assam 781 009, India
      9. Department of Zoology, Gauhati University, Guwahati, India
      10. North Eastern Regional Institute of Science and Technology, Itanagar, India
      11. Indian Institute of Science Education and Research, Kolkata, India
      12. Centre for Wildlife Studies, Bengaluru, India
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