Max Planck Institute for Evolutionary Anthropology, 04103, Leipzig, Germany
Ammie K. Kalan, Lars Kulik, Mimi Arandjelovic, Christophe Boesch, Fabian Haas, Paula Dieguez, Christopher D. Barratt, Anthony Agbor, Samuel Angedakin, Emmanuel Ayuk Ayimisin, Emma Bailey, Mattia Bessone, Gregory Brazzola, Valentine Ebua Buh, Heather Cohen, Charlotte Coupland, Tobias Deschner, Anne-Céline Granjon, Josephine Head, Sorrel Jones, Jessica Junker, Mohamed Kambi, Ivonne Kienast, Juan Lapuente, Bradley Larson, Kevin C. Lee, Sergio Marrocoli, Amelia C. Meier, Emily Neil, Sonia Nicholl, Lucy Jayne Ormsby, Jodie Preece, Martha M. Robbins, Adam Welsh, Erin G. Wessling, Roman M. Wittig, Yisa Ginath Yuh & Hjalmar S. Kühl
Wild Chimpanzee Foundation, 04103, Leipzig, Germany
Christophe Boesch, Floris Aubert, Dervla Dowd, Vera Leinert, Emmanuelle Normand & Virginie Vergnes
German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, 04103, Germany
Christopher D. Barratt, Jessica Junker & Hjalmar S. Kühl
Ebo Forest Research Project, BP3055, Messa, Cameroon
Ekwoge E. Abwe & Bethan Morgan
Institute for Conservation Research, San Diego Zoo Global, Escondido, CA, 92027-7000, USA
Ekwoge E. Abwe & Bethan Morgan
West Chester University, Department of Psychology, West Chester, PA, 19382, USA
Rebecca Chancellor & Aaron Rundus
West Chester University, Department of Anthropology and Sociology, West Chester, PA, 19382, USA
Rebecca Chancellor
Wildlife Conservation Society, New York, NY, 10460, USA
Bryan Curran & Deo Kujirakwinja
Department of Wildlife and Range Management, Faculty of Renewable Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
Emmanuel Danquah
WWF Cameroon Country Programme Office, BP 6776, Yaoundé, Cameroon
Manasseh Eno-Nku
Wonga-Wongue Reserve, Libreville, Gabon
J. Michael Fay
Chimbo Foundation, 1011 PW, Amsterdam, Netherlands
Annemarie Goedmakers
Elephant Listening Project, Bioacoustics Research Program, Cornell Lab of Ornithology, Cornell University, Ithaca, NY, 14850, USA
Daniela Hedwig
KMDA, Centre for Research and Conservation, Royal Zoological Society of Antwerp, B-2018, Antwerp, Belgium
Veerle Hermans, Nikki Tagg & Jacob Willie
School of Natural Sciences, University of Stirling, Stirling, UK
Kathryn J. Jeffery & Bethan Morgan
Agence National des Parcs Nationaux, BP20379, Libreville, Gabon
Kathryn J. Jeffery
University of Cambridge, Cambridge, UK, CB2 3QG
Parag Kadam
School of Human Evolution and Social Change & Institute of Human Origins, Arizona State University, Tempe, AZ, 85287, USA
Kevin E. Langergraber & Kevin C. Lee
Comoé Chimpanzee Conservation Project, Würzburg, Germany
Juan Lapuente
Jane Goodall Institute Spain and Senegal, Dindefelo Biological Station, Dindefelo, Kedougou, Senegal
Manuel Llana & Liliana Pacheco
Lester E. Fisher Center for the Study and Conservation of Apes, Lincoln Park Zoo, Chicago, IL, 60614, USA
David Morgan
Wildlife Conservation Society, Congo Program, B.P. 14537, Brazzaville, Republic of Congo
David Morgan & Crickette Sanz
Born Free Foundation, Broadlands Business Campus, Horsham, RH12 4QP, UK
Emily Neil & Nikki Tagg
School of Natural Sciences and Psychology, Liverpool John Moores University, James Parsons Building, Liverpool, L3 3AF, UK
Alex Piel & Fiona Stewart
University College London, Department of Anthropology, London, WC1H 0BW, UK
Alex Piel & Volker Sommer
Washington University in Saint Louis, Department of Anthropology, St. Louis, MO, 63130, USA
Crickette Sanz
Kyoto University Institute for Advanced Study, Kyoto University, Yoshida-Ushinomiya-cho, Sakyo-Ku, Kyoto, 606-8501, Japan
Crickette Sanz
Gashaka Primate Project, Serti, Taraba, Nigeria
Volker Sommer
Department for Early Prehistory and Quaternary Ecology, University of Tübingen, 72070, Tübingen, Germany
Claudio Tennie
Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, 02138, USA
Erin G. Wessling
Taï Chimpanzee Project, CSRS, Abidjan, Côte d’Ivoire
Roman M. Wittig
Université de Neuchâtel, Institut de Biologie, 2000, Neuchâtel, Switzerland
Klaus Zuberbühler
School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK
Klaus Zuberbühler