Activity pattern of Sloth Bear Melursus ursinus (Mammalia: Ursidae) in Mudumalai Tiger Reserve, Western Ghats, India

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T. Ramesh
R. Kalle
K. Sankar
Q. Qureshi


We used information from systematic camera trapping surveys to study activity patterns of sloth bear (Melursus ursinus) in Mudumalai Tiger Reserve, Western Ghats during November 2009 to April 2010.Overall 61 independent photographs were obtained from 2600 trap nights. Sloth Bears showed bimodal peaks activities; late evening to midnight and small peak during sunrise. The mean activity time was 21:54 plus or minus 00:46 hrs. Although sloth bears were active throughout the day they exhibited reduced activity during the hottest hours of the day. Sloth Bears might have reduced their activity during the day to avoid the intense heat.Our data demonstrate that use of camera traps in documenting activity patterns can be an effective tool for identifying biological questions of sloth bear ecology for future studies.

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