Victims of Play Escalation Rank Below Aggressors in Japanese Macaques (Macaca fuscata) Sakumi IkiNobuyuki Kutsukake OriginalPaper 11 February 2022 Pages: 365 - 383
Pulp Fiction: Why Some Populations of Ripe-Fruit Specialists Ateles chamek and A. marginatus Prefer Insect-Infested Foods Tereza Cristina dos Santos-BarnettThiago CavalcanteAdrian A. Barnett OriginalPaper 22 March 2022 Pages: 384 - 408
Toward Passive Acoustic Monitoring of Lemurs: Using an Affordable Open-Source System to Monitor Phaner Vocal Activity and Density Matthias MarkolfMax ZinowskyOliver Schülke OriginalPaper Open access 17 March 2022 Pages: 409 - 433
Dominance or Tolerance? Causes and consequences of a period of increased intercommunity encounters among bonobos (Pan paniscus) at LuiKotale Liza R. MoscoviceGottfried HohmannAdrian V. Jaeggi OriginalPaper Open access 28 April 2022 Pages: 434 - 459
A Mathematical Modelling Approach to Functionally Defining Forest Edge and Its Utility for Primate Behavioural Edge Effects Amy L. SchreierKristofor A. VossLaura M. Bolt OriginalPaper 30 March 2022 Pages: 460 - 479
Individuality in Roars of Black-and-Gold Howler Monkeys (Alouatta caraya) Ingrid HolzmannRodrigo S. Córdoba OriginalPaper 13 April 2022 Pages: 480 - 493
Factors Influencing Chimpanzee (Pan troglodytes schweinfurthii) Crop Foraging in Farmland Outside of Gishwati Forest, Rwanda Aaron RundusRebecca ChancellorAmanda Johnston OriginalPaper 14 April 2022 Pages: 494 - 512
Is Malaysia’s “mystery monkey” a hybrid between Nasalis larvatus and Trachypithecus cristatus? An assessment of photographs Stanislav LhotaJo Leen YapNadine Ruppert OriginalPaper 26 April 2022 Pages: 513 - 532
Novel mtDNA haplotypes represented in the European captive population of the Endangered François’ langur (Trachypithecus francoisi) Marta FarréCameron JohnstoneTony King BriefCommunication Open access 26 April 2022 Pages: 533 - 537