Gorongosa and Sasagamine: intra-species behavioral variation in baboons and Japanese monkeys Tetsuro Matsuzawa Editorial 07 November 2018 Pages: 495 - 497
Validating the use of a commercial enzyme immunoassay to measure oxytocin in unextracted urine and saliva of the western lowland gorilla (Gorilla gorilla gorilla) Austin LeedsPatricia M. DennisMandi W. Schook Original Article 20 July 2018 Pages: 499 - 515
Low-ranking individuals present high and unstable fecal cortisol levels in provisioned free-ranging adult male rhesus macaques (Macaca mulatta) during the birth season in a mountain area of northern China Shiqiang ZhangZhenwei CuiZhenlong Wang Original Article 08 October 2018 Pages: 517 - 522
Functional decline of sweet taste sensitivity of colobine monkeys Emiko NishiNami Suzuki-HashidoHiroo Imai Original Article 06 September 2018 Pages: 523 - 530
Seasonal and sex differences in the fission–fusion dynamics of spider monkeys (Ateles geoffroyi yucatanensis) in Belize Kayla S. HartwellHugh NotmanMary S. M. Pavelka Original Article 12 September 2018 Pages: 531 - 539
Births during 7 years after the translocation of a pair of black-and-gold howler monkeys (Alouatta caraya) to a forest fragment in southeast Brazil Marcelí Joele RossiWagner Ferreira dos Santos Original Article 20 September 2018 Pages: 541 - 547
Seasonal variation and an “outbreak” of frog predation by tamarins Teresa Magdalena LüffeEmérita R. Tirado HerreraEckhard W. Heymann Original Article 20 September 2018 Pages: 549 - 552
The Japan Monkey Centre Primates Brain Imaging Repository for comparative neuroscience: an archive of digital records including records for endangered species Tomoko SakaiJunichi HataKenichi Oishi Original Article Open access 24 October 2018 Pages: 553 - 570
The ghosts of Gombe: a true story of love and death in an African wilderness, Dale Peterson. University of California Press, 2018, pp. 232, Hardback ISBN: 9780520297715, US $29.95 William C. McGrew Book Review 30 August 2018 Pages: 571 - 572
The Primates 2018 Most-Cited Paper Award is conferred upon James R. Anderson and Gordon G. Gallup Jr. Tetsuro Matsuzawa Announcement 15 October 2018 Pages: 573 - 573
RETRACTED ARTICLE: Biologically validating the measurement of oxytocin in western lowland gorilla (Gorilla gorilla gorilla) urine and saliva using a commercial enzyme immunoassay Austin LeedsPatricia M. DennisMandi W. Schook Original Article 08 February 2018 Pages: 575 - 575
Expression of concern: Biologically validating the measurement of oxytocin in western lowland gorilla (Gorilla gorilla gorilla) urine and saliva using a commercial enzyme immunoassay Tetsuro Matsuzawa Expression of concern 03 March 2018 Pages: 577 - 577
