Volume 54, Issue 1, January 2013

ISSN: 0032-8332 (Print) 1610-7365 (Online)

In this issue (12 articles)

  1. News and Perspectives

    Into the night: camera traps reveal nocturnal activity in a presumptive diurnal primate, Rhinopithecus brelichi

    Chia L. Tan, Yeqin Yang, Kefeng Niu Pages 1-6
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    News and Perspectives

    Social relationships of nulliparous young adult females beyond the ordinary age of the first birth in a free-ranging troop of Japanese macaques (Macaca fuscata)

    Noriko Katsu, Kazunori Yamada, Masayuki Nakamichi Pages 7-11
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    News and Perspectives

    Integration of a hand-reared chimpanzee (Pan troglodytes) infant into a social group of conspecifics

    Maria Thunström, Tomas Persson, Mats Björklund Pages 13-19
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    News and Perspectives

    Anxiety-related behavior of orphan chimpanzees (Pan troglodytes schweinfurthii) at Gombe National Park, Tanzania

    Maria Botero, Suzanne E. MacDonald, Rowland S. Miller Pages 21-26
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    News and Perspectives

    Identification of individual adult female Javan lutungs (Trachypithecus auratus sondaicus) by using patterns of dark pigmentation in the pubic area

    Yamato Tsuji, Kanthi Arum Widayati, Islamul Hadi, Bambang Suryobroto… Pages 27-31
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    News and Perspectives

    Molecular evidence for the introgression between Hylobates lar and H. pileatus in the wild

    Kazunari Matsudaira, Ulrich H. Reichard, Suchinda Malaivijitnond… Pages 33-37
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    Original Article

    Singing by male and female Kloss gibbons (Hylobates klossii) in the Peleonan Forest, Siberut Island, Indonesia

    Helen M. Dooley, Debra S. Judge, Lincoln H. Schmitt Pages 39-48
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    Original Article

    The effect of urban and rural habitats and resource type on activity budgets of commensal rhesus macaques (Macaca mulatta) in Bangladesh

    M. Firoj Jaman, Michael A. Huffman Pages 49-59
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    Original Article

    Reproductive parameters of female orangutans (Pongo pygmaeus wurmbii) 1971–2011, a 40-year study at Tanjung Puting National Park, Central Kalimantan, Indonesia

    Biruté Mary Galdikas, Alison Ashbury Pages 61-72
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    Original Article

    Do chimpanzees (Pan troglodytes schweinfurthii) exhibit sleep related behaviors that minimize exposure to parasitic arthropods? A preliminary report on the possible anti-vector function of chimpanzee sleeping platforms

    David R. Samson, Michael P. Muehlenbein, Kevin D. Hunt Pages 73-80
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    Original Article

    Female parity, male aggression, and the Challenge Hypothesis in wild chimpanzees

    Marissa E. Sobolewski, Janine L. Brown, John C. Mitani Pages 81-88
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    Original Article

    Epidemiological study of zoonoses derived from humans in captive chimpanzees

    Takanori Kooriyama, Michiko Okamoto, Tomoyuki Yoshida, Toshisada Nishida… Pages 89-98
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