Publications of Karline Janmaat

Lucchesi, S.; Cheng, L.; Janmaat, K.; Mundry, R.; Pisor, A.; Surbeck, M.: Beyond the group: how food, mates, and group size influence intergroup encounters in wild bonobos. Behavioral Ecology 31 (2), pp. 519 - 532 (2020)

Jang, H.; Boesch, C.; Mundry, R.; Ban, S. D.; Janmaat, K. R. L.: Travel linearity and speed of human foragers and chimpanzees during their daily search for food in tropical rainforests. Scientific Reports 9, 11066 (2019)

Jang, H.; Boesch, C.; Mundry, R.; Kandza, V.; Janmaat, K.: Sun, age and test location affect spatial orientation in human foragers in rainforests. Proceedings of the Royal Society B: Biological Sciences 286 (1907), 20190934 (2019)

Janmaat, K. R. L.: What animals do not do or fail to find: A novel observational approach for studying cognition in the wild. Evolutionary Anthropology 28 (6), pp. 303 - 320 (2019)

Adamescu, G. S.; Plumptre, A. J.; Abernethy, K. A.; Polansky, L.; Bush, E. R.; Chapman, C. A.; Shoo, L. P.; Fayolle, A.; Janmaat, K.; Robbins, M. M. et al.; Ndangalasi, H. J.; Cordeiro, N. J.; Gilby, I. C.; Wittig, R. M.; Breuer, T.; Hockemba Breuer-Ndoundou, M.; Sanz, C. M.; Morgan, D. B.; Pusey, A. E.; Mugerwa, B.; Gilagiza, B.; Tutin, C.; Ewango, C. E.N.; Sheil, D.; Dimoto, E.; Baya, F.; Bujo, F.; Ssali, F.; Dikangadissi, J.-T.; Jeffery, K.; Valenta, K.; White, L.; Masozera, M.; Wilson, M. L.; Bitariho, R.; Ebika, S. T. N.; Gourlet-Fleury, S.; Mulindahabi, F.; Beale, C. M.: Annual cycles are the most common reproductive strategy in African tropical tree communities. Biotropica 50 (3), pp. 417 - 430 (2018)

van Pinxteren, B. O.C.M.; Sirianni, G.; Gratton, P.; Despres-Einspenner, M.-L.; Egas, M.; Kühl, H. S.; Lapuente, J.; Meier, A.; Janmaat, K.: Sooty mangabeys scavenge on nuts cracked by chimpanzees and red river hogs: An investigation of inter‐specific interactions around tropical nut trees. American Journal of Primatology 80 (8), e22895 (2018)

Ban, S. D.; Boesch, C.; N'Guessan, A.; N'Goran, E. K.; Tako, A.; Janmaat, K. R. L.: Taï chimpanzees change their travel direction for rare feeding trees providing fatty fruits. Animal Behaviour 118, pp. 135 - 147 (2016)

Janmaat, K.; Boesch, C.; Byrne, R.; Chapman, C.; Goné Bi, Z. B.; Head, J. S.; Robbins, M. M.; Wrangham, R.; Polansky, L.: The spatio-temporal complexity of chimpanzee food: How cognitive adaptations can counteract the ephemeral nature of ripe fruit. American Journal of Primatology 78 (6), pp. 626 - 645 (2016)

Ban, S. D.; Boesch, C.; Janmaat, K.: Taï chimpanzees anticipate revisiting high-valued fruit trees from further distances. Animal Cognition 17 (6), pp. 1353 - 1364 (2014)

Janmaat, K.; Polansky, L.; Ban, S. D.; Boesch, C.: Wild chimpanzees plan their breakfast time, type, and location. Proceedings of the National Academy of Sciences of the United States of America 111 (46), pp. 16343 - 16348 (2014)

Janmaat, K. R. L.; Ban, S. D.; Boesch, C.: Taï chimpanzees use botanical skills to discover fruit: What we can learn from their mistakes. Animal Cognition 16 (6), pp. 851 - 860 (2013)

Janmaat, K.; Ban, S. D.; Boesch, C.: Chimpanzees use long-term spatial memory to monitor large fruit trees and remember feeding experiences across seasons. Animal Behaviour 86 (6), pp. 1183 - 1205 (2013)

Janmaat, K. R. L.; Chapman, C. A.; Meijer, R.; Zuberbühler, K.: The use of fruiting synchrony by foraging mangabey monkeys: A ‘simple tool’ to find fruit. Animal Cognition 15 (1), pp. 83 - 96 (2012)

Janmaat, K. R. L.; Chancellor, R.: Exploring new areas: How important is long-term spatial memory for mangabey (Lophocebus albigena johnstonii) foraging efficiency? International Journal of Primatology 31 (5), pp. 863 - 886 (2010)

Janmaat, K. R. L.; Olupot, W.; Chancellor, R. L.; Arlet, M. E.: Long-term Site Fidelity and Individual Home Range Shifts in Lophocebus albigena. International Journal of Primatology 30 (3), pp. 443 - 466 (2009)

Janmaat, K.; Byrne, R. W.; Zuberbühler, K.: Evidence for a spatial memory of fruiting states of rainforest trees in wild mangabeys. Animal Behaviour 72 (4), pp. 797 - 807 (2006)

Janmaat, K.; Byrne, R. W.; Zuberbühler, K.: Primates take weather into account when searching for fruits. Current Biology 16 (12), pp. 1232 - 1237 (2006)

Janmaat, K.; Ban, S. D.; Mundry, R.: Estimating travel distance and linearity of primate routes: Ideas on how to clean and smooth track data collected with a handheld GPS. In: Spatial analysis in field primatology: Applying GIS at varying scales (Eds. Dolins, F. L.; Shaffer, C. A.; Porter, L. M.; Hickey, J. R.; Nibbelink, N. P.). Cambridge Univ. Pr., Cambridge [u.a.] (2020)

Porter, L. M.; Garber, P.; Boesch, C.; Janmaat, K.: Finding fruit in a tropical rainforest: A comparison of the foraging patterns of two distinct fruit-eating primates across years. In: Spatial analysis in field primatology: Applying GIS at varying scales (Eds. Dolins, F. L.; Shaffer, C. A.; Porter, L. M.; Hickey, J. R.; Nibbelink, N. P.). Cambridge Univ. Press, Cambridge (2020)

Janmaat, K. R. L.: Temporal cognition in Taï chimpanzees. In: The chimpanzees of the Taï forest: 40 years of research, pp. 451 - 466 (Eds. Boesch, C.; Wittig, R. M.). Cambridge University Press (2019)

Janmaat, K. R. L.; Byrne, R. W.: Why Taï mangabeys do not use tools to crack nuts like sympatric-living chimpanzees: A cognitive limitation on monkey feeding ecology. In: The chimpanzees of the Taï forest: 40 years of research, pp. 261 - 271 (Eds. Boesch, C.; Wittig, R. M.). Cambridge University Press (2019)

Zuberbühler, K.; Janmaat, K.: Foraging cognition in nonhuman primates. In: Primate neuroethology, pp. 64 - 83 (Ed. Michael L. Platt and Asif A. Ghazanfar). Oxford Univ. Pr., New York [u.a.] (2010)

Wasserman, M. D.; Thompson, I.; Chester, E.; Janmaat, K.: Presence of Xenoestrogens in the Hunter-Gatherer Diet of Mbendjele BaYaka from Republic of Congo. In American Journal of Physical Anthropology, 168 (S68), p. 263 - 263. The 88th Annual Meeting of the American Association of Physical Anthropologists, Cleveland, Ohio, March 27, 2019 - March 30, 2019. Wiley-Liss, Inc., New York, NY (2019)

Janmaat, K.; Ban, S.; Boesch, C.: Do Tai chimpanzees use botanical knowledge in their search for fruit in large scale space. In Cognitive Processing, 13 (Suppl. 1), p. S17. Pabst Science, Lengerich (2012)

Janmaat, K.: Fruits of enlightenment. Fruit localization strategies in wild mangabey monkeys. Dissertation, Univ. of St. Andrews (2006)

Janmaat, K.: Travel leadership in wild Thomas langurs. Who wins the conflict? Master, Univ. of Amsterdam, Amsterdam (2001)