American Journal of Primatology

Cover image for Vol. 79 Issue 5

Executive Editor: Paul A. Garber

Impact Factor: 2.103

ISI Journal Citation Reports © Ranking: 2015: 23/161 (Zoology)

Online ISSN: 1098-2345

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Recently Published Articles

  1. Evaluating the effect of a year-long film focused environmental education program on Ugandan student knowledge of and attitudes toward great apes

    Austin Leeds, Kristen E. Lukas, Corinne J. Kendall, Michelle A. Slavin, Elizabeth A. Ross, Martha M. Robbins, Dagmar van Weeghel and Richard A. Bergl

    Version of Record online: 18 MAY 2017 | DOI: 10.1002/ajp.22673

    Thumbnail image of graphical abstract

    Mean proportion of desirable answers to the question “How can you conserve great apes” before and after the Great Ape Education Program by student population.

  2. Extraction of honey from underground bee nests by central African chimpanzees (Pan troglodytes troglodytes) in Loango National Park, Gabon: Techniques and individual differences

    Vittoria Estienne, Colleen Stephens and Christophe Boesch

    Version of Record online: 2 MAY 2017 | DOI: 10.1002/ajp.22672

    Wild chimpanzees use a complex tool use technique to extract underground honey, comprising long, and flexible sequences of actions. Chimpanzees perform non-random action sequences. Individuals differ in their preferences for the grip that they use.

  3. Social networks dynamics revealed by temporal analysis: An example in a non-human primate (Macaca sylvanus) in “La Forêt des Singes”

    Sebastian Sosa, Peng Zhang and Guénaël Cabanes

    Version of Record online: 2 MAY 2017 | DOI: 10.1002/ajp.22662

    New approach for dynamic social network analysis in non-human primates. Presence of preferential attachment, triadic closure, and sex homophily in affiliative behaviors in Macaca sylvanus. Seasonal variation in homophily.

  4. Feeding behavior and activity budget of the southern yellow-cheeked crested gibbons (Nomascus gabriellae) in a lowland tropical forest

    Thanh H. Bach, Jin Chen, Minh D. Hoang, Kingsly C. Beng and Van T. Nguyen

    Version of Record online: 21 APR 2017 | DOI: 10.1002/ajp.22667

    The southern yellow-cheeked crested gibbon is an endangered species lives exclusively in undisturbed tropical forests and with highly frugivorous diet.

    A significant seasonal shift in diet was observed; fruit generally dominated the diet in the rainy season and leaves in the dry season.

    The activity budget and diet of the southern yellow-cheeked crested gibbon are associated with seasonal shifts in climate.