1. Professor Masao Kawai, a pioneer and leading scholar in primatology and writer of animal stories for children

   • Masayuki Nakamichi

   Editorial 24 August 2021 Pages: 677 - 695

   

2. A preliminary analysis of wound care and other-regarding behavior in wild chimpanzees at Ngogo, Kibale National Park, Uganda

   • Isabelle R. Clark
   • Aaron A. Sandel
   • Kevin E. Langergraber

   News and Perspectives 01 July 2021 Pages: 697 - 702

   

3. Occam’s razor revisited: guenon species morphology supports evidence for an African influence in Bronze Age Aegean fresco primate iconography from Akrotiri, Thera

   • J. D. Pruetz
   • C. Greenlaw

   News and Perspectives 07 July 2021 Pages: 703 - 707

   

4. Intercommunity interactions and killings in central chimpanzees (Pan troglodytes troglodytes) from Loango National Park, Gabon

   • Laura Martínez-Íñigo
   • Pauline Baas
   • Tobias Deschner

   Original Article Open access 17 June 2021 Pages: 709 - 722

   

5. Home range size in central chimpanzees (Pan troglodytes troglodytes) from Loango National Park, Gabon

   • Laura Martínez-Íñigo
   • Pauline Baas
   • Tobias Deschner

   Original Article Open access 04 July 2021 Pages: 723 - 734

   

6. Great apes’ understanding of biomechanics: eye-tracking experiments using three-dimensional computer-generated animations

   • Yutaro Sato
   • Michiteru Kitazaki
   • Satoshi Hirata

   Original Article 24 July 2021 Pages: 735 - 747

   

7. Gibbon sleep quantified: the influence of lunar phase and meteorological variables on activity in Hylobates moloch and Hylobates pileatus

   • Kaleigh R. Reyes
   • Ujas A. Patel
   • David R. Samson

   Original Article 30 May 2021 Pages: 749 - 759

   

8. Twenty-three-year demographic history of the Affenberg Japanese macaques (Macaca fuscata), a translocated semi-free-ranging group in southern Austria

   • Lena S. Pflüger
   • Katharina E. Pink
   • Michael A. Huffman

   Original Article Open access 10 July 2021 Pages: 761 - 776

   

9. Uses of nonhuman primates by humans in northeastern Brazil

   • Robério Freire Filho
   • Carla Soraia Soares de Castro
   • Bruna Martins Bezerra

   Original Article 29 May 2021 Pages: 777 - 788

   

10. Black capuchin monkeys dynamically adjust group spread throughout the day

    • Vitor Luccas
    • Patrícia Izar

    Original Article 27 June 2021 Pages: 789 - 799

    

11. Social network changes during the development of immature capuchin monkeys (Sapajus spp.)

    • Vanessa Carla Coelho de Lima
    • Renata Gonçalves Ferreira

    Original Article 17 July 2021 Pages: 801 - 815

    

12. Species distribution and conservation assessment of the black-headed night monkey (Aotus nigriceps): a species of Least Concern that faces widespread anthropogenic threats

    • William D. Helenbrook
    • Jose W. Valdez

    Original Article 12 June 2021 Pages: 817 - 825

    

13. Architectural properties of the musculoskeletal system in the shoulder of two callitrichid primate species derived from virtual dissection

    • Lennart Eigen
    • John A. Nyakatura

    Original Article Open access 28 June 2021 Pages: 827 - 843

    

14. Functional anatomy and adaptation of the third to sixth thoracic vertebrae in primates using three-dimensional geometric morphometrics

    • Yasuhiro Kikuchi
    • Naomichi Ogihara

    Original Article 10 July 2021 Pages: 845 - 855

    

15. Opossums. An adaptive radiation of New World marsupials, by Robert S. Voss & Sharon A. Jansa

    • Eckhard W. Heymann

    Book Review Open access 07 July 2021 Pages: 857 - 859