What I learned throughout behavioral observations on Japanese macaques Masayuki Nakamichi Editorial 17 February 2021 Pages: 243 - 251
Population history of chimpanzees introduced to Lake Victoria’s Rubondo Island Josephine N. MsindaiChristian RoosVolker Sommer Original Article 02 February 2021 Pages: 253 - 265
Hunting of mammals by central chimpanzees (Pan troglodytes troglodytes) in the Loango National Park, Gabon Harmonie KleinGaëlle BocksbergerTobias Deschner Original Article Open access 08 January 2021 Pages: 267 - 278
Female chimpanzees giving first birth in their natal group in Mahale: attention to incest between brothers and sisters Takuya MatsumotoShunkichi HanamuraEiji Inoue Original Article 14 January 2021 Pages: 279 - 287
Stability of chimpanzee (Pan troglodytes) urinary reproductive hormones during long-term preservation on filter paper Keiko MouriKeiko Shimizu Original Article 21 September 2020 Pages: 289 - 296
Human caregivers are integrated social partners for captive chimpanzees Jake A. FunkhouserJessica A. MayhewLori K. Sheeran Original Article 09 October 2020 Pages: 297 - 309
Daily defecation outputs of mountain gorillas (Gorilla beringei beringei) in the Volcanoes National Park, Rwanda Elie SinayitutseDavid ModryWinnie Eckardt Original Article 22 November 2020 Pages: 311 - 320
Apes in fiction: does the content of novels reflect primatological knowledge? William C. McGrew Original Article 04 February 2021 Pages: 321 - 330
Resource partitioning and niche overlap between hoolock gibbon (Hoolock hoolock) and other frugivorous vertebrates in a tropical semi-evergreen forest Sufia Akter NehaUmmay Habiba KhatunMd. Ashraf Ul Hasan Original Article 03 February 2021 Pages: 331 - 342
A comparative assessment of external morphological traits between Macaca munzala, Tawang and Macaca assamensis, Goalpara population in Northeast India Bidyut SaraniaAwadhesh KumarAshalata Devi Original Article 11 November 2020 Pages: 343 - 360
Seed choice differs by sex in sooty mangabeys (Cercocebus atys) Elise GeisslerDavid J. DaeglingW. Scott McGraw Original Article 22 September 2020 Pages: 361 - 367
Effect of bFGF on fibroblasts derived from the golden snub-nosed monkey Xin LiuHao WeiBaoguo Li Original Article 19 November 2020 Pages: 369 - 378
Maternal care according to offspring sex and maternal physical condition in mantled howler monkeys (Alouatta palliata) Amalia de la TorreAlejandro Coyohua FuentesPedro Américo D. Dias Original Article 01 February 2021 Pages: 379 - 388
Taste detection threshold of human (Homo sapiens) subjects and taste preference threshold of black-handed spider monkeys (Ateles geoffroyi) for the sugar substitute isomalt Sofia PereiraLaura Teresa Hernandez SalazarMatthias Laska Original Article Open access 03 October 2020 Pages: 389 - 394
Genetic analysis of an insular population of Sapajus nigritus (Primates: Cebidae) in Rio de Janeiro state, Brazil Diego Mattos PenedoJorge Luís Azevedo de ArmadaDenise Monnerat Nogueira Original Article 18 January 2021 Pages: 395 - 406
On the way to systematize habituation: a protocol to minimize the effects of observer presence on wild groups of Leontocebus lagonotus Sara Vicente-AlonsoLidia Sánchez-SánchezSara Álvarez Solas Original Article 11 January 2021 Pages: 407 - 415
Agonistic vocalization behaviour in the male ring-tailed lemur (Lemur catta) Laura M. Bolt Original Article 18 January 2021 Pages: 417 - 430
Intraspecific macroscopic digestive anatomy of ring-tailed lemurs (Lemur catta), including a comparison of frozen and formalin-stored specimens Marcus ClaussJelscha TrümplerIkki Matsuda Original Article Open access 12 November 2020 Pages: 431 - 441
Chimpanzee culture wars: rethinking human nature alongside Japanese, European, and American cultural primatologists, by Nicolas Langlitz William C. McGrew Book Review 09 February 2021 Pages: 443 - 444