1. Horses and nomads in Mongolia

   • Tetsuro Matsuzawa

   Editorial 30 August 2019 Pages: 383 - 387

   

2. Social relationships and caregiving behavior between recently orphaned chimpanzee siblings

   • Rachna B. Reddy
   • John C. Mitani

   Original Article 10 June 2019 Pages: 389 - 400

   

3. Shape variation in the facial part of the cranium in macaques and African papionins using geometric morphometrics

   • Takeshi Nishimura
   • Naoki Morimoto
   • Tsuyoshi Ito

   Original Article 29 August 2019 Pages: 401 - 419

   

4. High but not low tolerance populations of Japanese macaques solve a novel cooperative task

   • Yu Kaigaishi
   • Masayuki Nakamichi
   • Kazunori Yamada

   Original Article 19 August 2019 Pages: 421 - 430

   

5. Temperature profile of the nasal cavity in Japanese macaques

   • Takeshi Nishimura
   • Akihisa Kaneko

   Original Article 19 August 2019 Pages: 431 - 435

   

6. Population abundance and distribution of the endangered golden langur (Trachypithecus geei, Khajuria 1956) in Bhutan

   • Phuntsho Thinley
   • Tshewang Norbu
   • Gempa

   Original Article 02 August 2019 Pages: 437 - 448

   

7. Seed dispersal by proboscis monkeys: the case of Nauclea spp.

   • Valentine Thiry
   • Oriana Bhasin
   • Martine Vercauteren

   Original Article 24 July 2019 Pages: 449 - 457

   

8. A green racer snake (Philodryas nattereri, Colubridae) killed but not eaten by a blonde capuchin monkey (Sapajus flavius, Cebidae)

   • Gibran Anderson Oliveira Da Silva
   • Tiago Falótico
   • Mônica Mafra Valença-Montenegro

   Original Article 07 August 2019 Pages: 459 - 465

   

9. Eulerian videography technology improves classification of sleep architecture in primates

   • Emilie Melvin
   • David Samson
   • Charles L. Nunn

   Original Article 27 August 2019 Pages: 467 - 475