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Université de Neuchâtel

Human impact erodes chimpanzee behavioral diversity

Kühl, Hjalmar S ; Boesch, Christophe ; Kulik, Lars ; Haas, Fabien ; Arandjelovic, Mimi ; Dieguez, Paula ; Bocksberger, Gaëlle ; McElreath, Mary Brooke ; Agbor, Anthony ; Angedakin, Samuel ; Ayimisin, Emmanuel Ayuk ; Bailey, Emma ; Barubiyo, Donatienne ; Bessone, Mattia ; Brazzola, Gregory ; Chancellor, Rebecca ; Cohen, Heather ; Coupland, Charlotte ; Danquah, Emmanuel ; Deschner, Tobias ; Dowd, Dervla ; Dunn, Andrew ; Egbe, Villard Ebot ; Eshuis, Henk ; Goedmakers, Annemarie ; Granjon, Anne-Céline ; Head, Josephine ; Hedwig, Daniela ; Hermans, Veerle ; Imong, Inaoyom ; Jeffery, Kathryn J ; Jones, Sorrel ; Junker, Jessica ; Kadam, Parag ; Kambere, Mbangi ; Kambi, Mohamed ; Kienast, Ivonne ; Kujirakwinja, Deo ; Langergraber, Kevin E ; Lapuente, Juan ; Larson, Bradley ; Lee, Kevin ; Leinert, Vera ; Llana, Manuel ; Maretti, Giovanna ; Marrocoli, Sergio ; Martin, Rumen ; Mbi, Tanyi Julius ; Meier, Amelia C ; Morgan, Bethan ; Morgan, David ; Mulindahabi, Felix ; Murai, Mizuki ; Neil, Emily ; Niyigaba, Protais ; Ormsby, Lucy Jayne ; Orume, Robinson ; Pacheco, Liliana ; Piel, Alex ; Preece, Jodie ; Regnaut, Sebastien ; Rundus, Aaron ; Sanz, Crickette ; Schijndel, Joost van ; Sommer, Volker ; Stewart, Fiona ; Tagg, Nikki ; Vendras, Elleni ; Vergnes, Virginie ; Welsh, Adam ; Wessling, Erin G ; Willie, Jacob ; Wittig, Roman M ; Ginath Yuh, Yisa ; Yurkiw, Kyle ; Zuberbühler, Klaus ; Kalan, Ammie K

In: Science, 2019, vol. 363, no. 6434, p. 1453-1455

Chimpanzees possess a large number of behavioral and cultural traits among nonhuman species. The “disturbance hypothesis” predicts that human impact depletes resources and disrupts social learning processes necessary for behavioral and cultural transmission. We used a dataset of 144 chimpanzee communities, with information on 31 behaviors, to show that chimpanzees inhabiting areas with high...

Université de Neuchâtel

Intentional communication in primates

Zuberbühler, Klaus

In: Revue Tranel, 2018, vol. 68, p. 69-75

Human communication, including language, is the product of underlying intentions that are purposely expressed, epistemically monitored and flexibly interpreted. A main question in science has been about the evolutionary origins of this cognitive capacity. One way to address the problem is by studying the natural communication of animals, particularly nonhuman primates. As everything in biology,...

Consortium of Swiss Academic Libraries

Obituary: Hans Kummer—Pioneer, Thinker, Visionary

Zuberbühler, Klaus

In: International Journal of Primatology, 2013, vol. 34, no. 3, p. 644-645

Consortium of Swiss Academic Libraries

Acquired mirroring and intentional communication in primates

Zuberbühler, Klaus

In: Language and Cognition, 2013, vol. 5, no. 2-3, p. 133-143

Université de Neuchâtel

Kin-based cultural transmission of tool use in wild chimpanzees

Lamon, Noemie ; Neumann, Christof ; Gruber, Thibaud ; Zuberbühler, Klaus

In: Science Advances, 2017, vol. 3, no. 4, p. e160275

Current research on animal culture has focused strongly on cataloging the diversity of socially transmitted behaviors and on the social learning mechanisms that sustain their spread. Comparably less is known about the persistence of cultural behavior following innovation in groups of wild animals. We present observational data and a field experiment designed to address this question in a wild...

Université de Neuchâtel

Meaningful call combinations in a non-human primate

Arnold, Kate ; Zuberbühler, Klaus

In: Current Biology, 2008, vol. 18, no. 5, p. R202-R203

Université de Neuchâtel

Female chimpanzees use copulation calls flexibly to prevent social competition

Townsend, Simon W ; Deschner, Tobias ; Zuberbühler, Klaus

In: PLoS ONE, 2008, vol. 3, no. 6, p. e2431

The adaptive function of copulation calls in female primates has been debated for years. One influential idea is that copulation calls are a sexually selected trait, which enables females to advertise their receptive state to males. Male-male competition ensues and females benefit by getting better mating partners and higher quality offspring. We analysed the copulation calling behaviour of...

Université de Neuchâtel

The alarm call system of female Campbell's monkeys

Ouattara, Karim ; Zuberbühler, Klaus ; N'Goran, Koffi J.-N ; Gombert, Jean-Emile

In: Animal Behaviour, 2009, vol. 78, no. 1, p. 35-44

Field studies on male forest guenon alarm-calling behaviour have revealed a number of intricacies about how these primates use vocalizations to protect themselves from predation. In these species, the vocal behaviour of adult females is often different from that of the males, but little systematic work has been done. Here, we describe the alarm call system of female Campbell's monkeys,...

Université de Neuchâtel

Campbell's Monkeys Use Affixation to Alter Call Meaning

Ouattara, Karim ; Lemasson, Alban ; Zuberbühler, Klaus

In: PLoS ONE, 2009, vol. 4, no. 11, p. e7808

Human language has evolved on a biological substrate with phylogenetic roots deep in the primate lineage. Here, we describe a functional analogy to a common morphological process in human speech, affixation, in the alarm calls of free-ranging adult Campbell's monkeys (Cercopithecus campbelli campbelli). We found that male alarm calls are composed of an acoustically variable stem, which...