Observation and publication of infrequently observed behavior Naofumi Nakagawa Editorial 12 June 2021 Pages: 549 - 554
First report of a leopard (Panthera pardus)–bonobo (Pan paniscus) encounter at the LuiKotale study site, Democratic Republic of the Congo Nicolas Corredor-OspinaMelodie KreyerBarbara Fruth News and Perspectives Open access 05 May 2021 Pages: 555 - 562
The attitude of people towards Anubis baboon (Papio anubis) crop foraging activities in sub-Saharan Africa, southern Ethiopia Tamirat GataroWondimagegnehu Tekalign Original Article 24 April 2021 Pages: 563 - 570
Wild geladas (Theropithecus gelada) in crops—more than in pasture areas—reduce aggression and affiliation Marta CaselliAnna ZanoliIvan Norscia Original Article Open access 01 June 2021 Pages: 571 - 584
Evaluation of an enrichment programme for a colony of long-tailed macaques (Macaca fascicularis) in a rescue centre Valeria AlbaneseMichela KuanGiovanna Marliani Original Article Open access 11 April 2021 Pages: 585 - 593
Assessing the reliability of an automated method for measuring dominance hierarchy in non-human primates Sébastien BallestaBaptiste SadoughiHélène Meunier Original Article 13 April 2021 Pages: 595 - 607
Physiological variation in Japanese macaques (Macaca fuscata) housed in different outdoor cages evaluated using the metabolic profile test Akihisa KanekoMasaki TakasuMunehiro Okamoto Original Article 18 May 2021 Pages: 609 - 615
The history, taxonomy, and geographic origins of an introduced African monkey in the southeastern United States Deborah M. WilliamsSandra M. AlmanzaKate M. Detwiler Original Article 08 May 2021 Pages: 617 - 627
Gastrointestinal parasites of endemic and endangered free-ranging purple-faced leaf monkey (Semnopithecus vetulus) in Sri Lanka: effect of host group size and habitat type Lakshani WeerasekaraKumudu WijesooriyaJayantha Rajapakse Original Article 26 March 2021 Pages: 629 - 635
High levels of infant handling by adult males in Rwenzori Angolan colobus (Colobus angolensis ruwenzorii) compared to two closely related species, C. guereza and C. vellerosus Samantha M. SteadIulia BădescuJulie A. Teichroeb Original Article 15 April 2021 Pages: 637 - 646
Anthropogenic edges impact howler monkey (Alouatta palliata) feeding behaviour in a Costa Rican rainforest Laura M. BoltDorian G. RussellAmy L. Schreier Original Article 01 April 2021 Pages: 647 - 657
Wild robust capuchin monkey interactions with sympatric primates Tiago FalóticoOlivia Mendonça-FurtadoMichele P. Verderane Original Article 04 May 2021 Pages: 659 - 666
Population and genetic structure of a male-dispersing strepsirrhine, Galago moholi (Primates, Galagidae), from northern South Africa, inferred from mitochondrial DNA Metlholo A. PhukuntsiMorne Du PlessisAntoinette Kotze Original Article 28 April 2021 Pages: 667 - 675
