Individuality in the songs of wild agile gibbons (Hylobates agilis) of Peninsular Malaysia


  • Dr. Elliott H. Haimoff,

    Corresponding author
    1. Sub-Department of Veterinary Anatomy, University of Cambridge, Cambridge, England
    • Biology Department, U.C.L.A., Los Angeles, CA 90024
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  • S. Paul Gittins

    1. Department of Applied Biology, University of Wales Institute of Science and Technology, Wales, United Kingdom
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Recordings were made and analyzed of the female dominated duet songs by eight adult pairs of wild agile gibbons from two sites in Peninsular Malaysia. A statistical analysis of their songs revealed that individuality occurred throughout the females' songs from both sites. Individuality in gibbon songs may allow singing individuals to more efficiently and effectively locate and identify neighboring nonmate conspecifics.