Introduction to “Evolutionary origins of human language: Hierarchical complexity and communicative signals” Misato Hayashi Special Feature: Editorial 25 August 2022 Pages: 397 - 401
Human language evolution: a view from theoretical linguistics on how syntax and the lexicon first came into being Haruka FujitaKoji Fujita Special Feature: Original Article Open access 05 April 2021 Pages: 403 - 415
The evolution of hierarchical structure building capacity for language and music: a bottom-up perspective Rie Asano Special Feature: Review Article Open access 11 April 2021 Pages: 417 - 428
Hierarchical object combination and tool use in the great apes and human children Misato HayashiHideko Takeshita Special Feature: Original Article Open access 01 August 2022 Pages: 429 - 441
Exploring greetings and leave-takings: communication during arrivals and departures by chimpanzees of the Bossou community, Guinea Evelina D. RodriguesAntónio J. SantosCatherine Hobaiter Special Feature: Original Article 17 November 2021 Pages: 443 - 461
Monkey business: A girl’s once strange dream Carol M. Berman Review Article 04 August 2022 Pages: 463 - 481
Why bonobos show a high reproductive skew towards high-ranking males: analyses for association and mating patterns concerning female sexual states Takumasa YokoyamaTakeshi Furuichi Original Article 05 August 2022 Pages: 483 - 494
Correction to: Why bonobos show a high reproductive skew towards high-ranking males: analyses for association and mating patterns concerning female sexual states Takumasa YokoyamaTakeshi Furuichi Correction 01 September 2022 Pages: 495 - 496
Dead-infant carrying by chimpanzee mothers in the Budongo Forest Adrian SoldatiPawel FedurekCatherine Hobaiter Original Article Open access 10 July 2022 Pages: 497 - 508
Cognitive enrichment in a social setting: assessing the use of a novel food maze in sanctuary-housed chimpanzees Maria PadrellFederica AmiciMiquel Llorente Original Article Open access 18 July 2022 Pages: 509 - 524
Heavy metal ecotoxicology of vervet monkeys (Chlorocebus pygerythrus) across field sites in South Africa James E. LoudonAlycia E. LewisJack E. Pender Original Article 14 August 2022 Pages: 525 - 533
A prosocial function of head-gaze aversion and head-cocking in common marmosets Silvia SpadacentaPeter W. DickePeter Thier Original Article Open access 15 July 2022 Pages: 535 - 546
Chimpanzee memoirs. Stories of studying and saving our closest living relatives, by Stephen Ross & Lydia Hopper (eds.) William C. McGrew Book Review 20 July 2022 Pages: 547 - 548
I remember Africa: A field biologist’s half-century perspective John C. Mitani Book Review 29 July 2022 Pages: 549 - 550
Correction to: Physical, behavioral, and hormonal changes in the resumption of sexual receptivity during postpartum infertility in female bonobos at Wamba Chie HashimotoHeungjin RyuTakeshi Furuichi Correction Open access 09 August 2022 Pages: 551 - 551