Habitat Characteristics and Their Effects on the Density of Groups of Western Hoolock Gibbon (Hoolock hoolock) in Namdapha National Park, Arunachal Pradesh, India Parimal Chandra RayAwadhesh KumarW. Y. Brockelman OriginalPaper 10 May 2015 Pages: 445 - 459
Gustatory Responsiveness of Black-and-White Ruffed Lemurs (Varecia variegata variegata) to Food-Associated Sugars Alexander WielbassMats AmundinMatthias Laska OriginalPaper 23 April 2015 Pages: 460 - 472
Maternal Behavior and Physiological Stress Levels in Wild Chimpanzees (Pan troglodytes schweinfurthii) Margaret A. StantonMatthew R. HeintzCarson M. Murray OriginalPaper 01 May 2015 Pages: 473 - 488
Morphological Integration and Variation in Facial Orientation in Pongo pygmaeus pygmaeus: A Geometric Morphometric Approach via Partial Least Squares Sascha SenckMichael Coquerelle OriginalPaper 20 May 2015 Pages: 489 - 512
Phylogeny, Ecology, and Morphological Evolution in the Atelid Cranium Alexander BjarnasonChristophe SoligoSarah Elton OriginalPaper 22 May 2015 Pages: 513 - 529
Phylogeography of the Critically Endangered Brown Spider Monkey (Ateles hybridus): Testing the Riverine Barrier Hypothesis Andrés LinkLina María ValenciaAnthony Di Fiore OriginalPaper 15 May 2015 Pages: 530 - 547
Changes in Activity Patterns and Intergroup Relationships After a Significant Mortality Event in Commensal Long-Tailed Macaques (Macaca Fascicularis) in Bali, Indonesia Fany BrotcorneAgustín FuentesMarie-Claude Huynen OriginalPaper 24 May 2015 Pages: 548 - 566
A Comparison of Hylobatid Survey Methods Using Triangulation on Müller’s Gibbon (Hylobates muelleri) in Sungai Wain Protection Forest, East Kalimantan, Indonesia Lauren J. GilhoolyYaya RayadinSusan M. Cheyne OriginalPaper 24 May 2015 Pages: 567 - 582
Substrate Diameter and Orientation in the Context of Food Type in the Gray Mouse Lemur, Microcebus murinus: Implications for the Origins of Grasping in Primates Séverine ToussaintAnthony HerrelEmmanuelle Pouydebat OriginalPaper 24 May 2015 Pages: 583 - 604
Rehabilitation and Socialization of Chimpanzees (Pan troglodytes) Used for Entertainment and as Pets: An 8-Year Study at Fundació Mona Miquel LlorenteDavid RibaCarles Rostán OriginalPaper 04 June 2015 Pages: 605 - 624
Comparative Personality Assessment of Three Captive Primate Species: Macaca nigra, Macaca sylvanus, and Saimiri sciureus K. R. BakerS. E. G. LeaV. A. Melfi OriginalPaper 23 June 2015 Pages: 625 - 646
Call Repertoire of the Sahamalaza Sportive Lemur, Lepilemur sahamalazensis Melanie SeilerChristoph SchwitzerMarc Holderied OriginalPaper 04 July 2015 Pages: 647 - 665
Screams in the Night: Pilot Study Reveals Moderate Evidence for Individual Differences in Lorisoid Vocalizations S. E. KesslerM. ScheumannS. L. Watson OriginalPaper 09 June 2015 Pages: 666 - 678