The activity patterns of a group of Cantor's dusky leaf monkeys (Trachypithecus obscurus halonifer)

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Abstract

This study describes the activity budget of a group of Cantor's dusky leaf monkeys (Trachypithecus obscurus) in Penang Botanical Garden, Malaysia. The main objective is to investigate the daily activity budget of T. obscurus in the field. Scanning sampling was employed as the observation method from June 2006 to December 2006. Behavioral observation of 18 individuals were conducted for 8 hours per day, from 0700 h to 1630 h. On average, T. obscurus spent most of their time on feeding (40.02%), followed by the resting (23.96%), moving (22.51%), autogrooming (6.52%), vocalization (3.89%), allogrooming (1.33%), allomothering (0.97%) and the least in playing (0.80%). Chi-square test showed that there is a significant difference among every behavior category of Cantor's dusky leaf monkeys. The habitat and canopy used of Cantor's dusky leaf monkeys in Penang Botanical Garden were also described.

Original languageEnglish
Pages (from-to)59-67
Number of pages9
JournalInternational Journal of Zoological Research
Volume7
Issue number1
DOIs
Publication statusPublished - 2011

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monkeys
botanical gardens
leaves
vocalization
Malaysia
canopy
habitats
Trachypithecus
sampling
methodology
chi-square distribution

Keywords

  • Activity pattern
  • Colobine monkeys
  • Daily activity budget
  • Dusky leaf monkeys
  • Trachypithecus obscurus

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

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title = "The activity patterns of a group of Cantor's dusky leaf monkeys (Trachypithecus obscurus halonifer)",
abstract = "This study describes the activity budget of a group of Cantor's dusky leaf monkeys (Trachypithecus obscurus) in Penang Botanical Garden, Malaysia. The main objective is to investigate the daily activity budget of T. obscurus in the field. Scanning sampling was employed as the observation method from June 2006 to December 2006. Behavioral observation of 18 individuals were conducted for 8 hours per day, from 0700 h to 1630 h. On average, T. obscurus spent most of their time on feeding (40.02{\%}), followed by the resting (23.96{\%}), moving (22.51{\%}), autogrooming (6.52{\%}), vocalization (3.89{\%}), allogrooming (1.33{\%}), allomothering (0.97{\%}) and the least in playing (0.80{\%}). Chi-square test showed that there is a significant difference among every behavior category of Cantor's dusky leaf monkeys. The habitat and canopy used of Cantor's dusky leaf monkeys in Penang Botanical Garden were also described.",
keywords = "Activity pattern, Colobine monkeys, Daily activity budget, Dusky leaf monkeys, Trachypithecus obscurus",
author = "{Md. Zain}, {Badrul Munir} and Ch'ng, {C. E.}",
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N2 - This study describes the activity budget of a group of Cantor's dusky leaf monkeys (Trachypithecus obscurus) in Penang Botanical Garden, Malaysia. The main objective is to investigate the daily activity budget of T. obscurus in the field. Scanning sampling was employed as the observation method from June 2006 to December 2006. Behavioral observation of 18 individuals were conducted for 8 hours per day, from 0700 h to 1630 h. On average, T. obscurus spent most of their time on feeding (40.02%), followed by the resting (23.96%), moving (22.51%), autogrooming (6.52%), vocalization (3.89%), allogrooming (1.33%), allomothering (0.97%) and the least in playing (0.80%). Chi-square test showed that there is a significant difference among every behavior category of Cantor's dusky leaf monkeys. The habitat and canopy used of Cantor's dusky leaf monkeys in Penang Botanical Garden were also described.

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