Social relationships and caregiving behavior between recently orphaned chimpanzee siblings Rachna B. ReddyJohn C. Mitani Original Article 10 June 2019 Pages: 389 - 400
Shape variation in the facial part of the cranium in macaques and African papionins using geometric morphometrics Takeshi NishimuraNaoki MorimotoTsuyoshi Ito Original Article 29 August 2019 Pages: 401 - 419
High but not low tolerance populations of Japanese macaques solve a novel cooperative task Yu KaigaishiMasayuki NakamichiKazunori Yamada Original Article 19 August 2019 Pages: 421 - 430
Temperature profile of the nasal cavity in Japanese macaques Takeshi NishimuraAkihisa Kaneko Original Article 19 August 2019 Pages: 431 - 435
Population abundance and distribution of the endangered golden langur (Trachypithecus geei, Khajuria 1956) in Bhutan Phuntsho ThinleyTshewang NorbuGempa Original Article 02 August 2019 Pages: 437 - 448
Seed dispersal by proboscis monkeys: the case of Nauclea spp. Valentine ThiryOriana BhasinMartine Vercauteren Original Article 24 July 2019 Pages: 449 - 457
A green racer snake (Philodryas nattereri, Colubridae) killed but not eaten by a blonde capuchin monkey (Sapajus flavius, Cebidae) Gibran Anderson Oliveira Da SilvaTiago FalóticoMônica Mafra Valença-Montenegro Original Article 07 August 2019 Pages: 459 - 465
Eulerian videography technology improves classification of sleep architecture in primates Emilie MelvinDavid SamsonCharles L. Nunn Original Article 27 August 2019 Pages: 467 - 475
