Chimpanzee quiet hoo variants differ according to context by Catherine Crockford, Thibaud Gruber, Klaus Zuberbühler

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Group-level cooperation in chimpanzees is shaped by strong social ties by Liran Samuni, Catherine Crockford, Roman M. Wittig

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Urinary Cortisol, Aggression, Dominance and Competition in Wild, West African Male Chimpanzees by Anna Preis, Anna Preis, Liran Samuni, Liran Samuni, Tobias Deschner, Catherine Crockford, Catherine Crockford, Roman M. Wittig, Roman M. Wittig

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Acquisition of predator knowledge from alarm calls via one-trial social learning in monkeys by Julián León, Constance Thiriau, Clémentine Bodin, Catherine Crockford, Klaus Zuberbühler

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Chimpanzees make tactical use of high elevation in territorial contexts. by Sylvain R T Lemoine, Liran Samuni, Catherine Crockford, Roman M Wittig

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Chimpanzees make tactical use of high elevation in territorial contexts by Sylvain R. T. Lemoine, Liran Samuni, Catherine Crockford, Roman M. Wittig

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Single aggressive interactions increase urinary glucocorticoid levels in wild male chimpanzees. by Roman M Wittig, Catherine Crockford, Anja Weltring, Tobias Deschner, Klaus Zuberbühler

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Urinary Cortisol Increases During a Respiratory Outbreak in Wild Chimpanzees by Verena Behringer, Verena Behringer, Anna Preis, Doris F. Wu, Doris F. Wu, Catherine Crockford, Catherine Crockford, Fabian H. Leendertz, Roman M. Wittig, Roman M. Wittig, Tobias Deschner

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Chimpanzees show the capacity to communicate about concomitant daily life events by Tatiana Bortolato, Angela D. Friederici, Cédric Girard-Buttoz, Roman M. Wittig, Catherine Crockford

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Maternal effects on offspring growth indicate post-weaning juvenile dependence in chimpanzees (Pan troglodytes verus) by Liran Samuni, Patrick Tkaczynski, Tobias Deschner, Therese Löhrrich, Roman M. Wittig, Catherine Crockford

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Social support reduces stress hormone levels in wild chimpanzees across stressful events and everyday affiliations by Roman M. Wittig, Catherine Crockford, Anja Weltring, Kevin E. Langergraber, Tobias Deschner, Klaus Zuberbühler

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Small Mirrors Do the Trick: A Simple, but Effective Method to Study Mirror Self-Recognition in Chimpanzees by Kathrin S. Kopp, Sonja J. Ebel, Roman M. Wittig, Daniel B. M. Haun, Catherine Crockford

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Long-term repeatability in social behaviour suggests stable social phenotypes in wild chimpanzees by Patrick J. Tkaczynski, Alexander Mielke, Liran Samuni, Anna Preis, Roman M. Wittig, Catherine Crockford

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Flexible decision-making in grooming partner choice in sooty mangabeys and chimpanzees by Alexander Mielke, Anna Preis, Liran Samuni, Jan F. Gogarten, Roman M. Wittig, Catherine Crockford

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Bystanders intervene to impede grooming in Western chimpanzees and sooty mangabeys by Alexander Mielke, Liran Samuni, Anna Preis, Jan F. Gogarten, Catherine Crockford, Roman M. Wittig

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Chimpanzees produce diverse vocal sequences with ordered and recombinatorial properties by Cédric Girard-Buttoz, Emiliano Zaccarella, Tatiana Bortolato, Angela D. Friederici, Roman M. Wittig, Catherine Crockford

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Population-specific call order in chimpanzee greeting vocal sequences by Cédric Girard-Buttoz, Tatiana Bortolato, Marion Laporte, Mathilde Grampp, Klaus Zuberbühler, Roman M. Wittig, Catherine Crockford

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Circadian Rhythms of Urinary Cortisol Levels Vary Between Individuals in Wild Male Chimpanzees: A Reaction Norm Approach by Ruth Sonnweber, Yimen G. Araya-Ajoy, Verena Behringer, Tobias Deschner, Patrick Tkaczynski, Pawel Fedurek, Anna Preis, Liran Samuni, Zinta Zommers, Cristina Gomes, Klaus Zuberbühler, Klaus Zuberbühler, Roman M. Wittig, Roman M. Wittig, Catherine Crockford, Catherine Crockford

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Consistency of Social Interactions in Sooty Mangabeys and Chimpanzees by Alexander Mielke, Alexander Mielke, Anna Preis, Anna Preis, Liran Samuni, Liran Samuni, Jan F. Gogarten, Jan F. Gogarten, Jan F. Gogarten, Jan F. Gogarten, Jack D. Lester, Catherine Crockford, Catherine Crockford, Roman M. Wittig, Roman M. Wittig

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Elevated neopterin levels in wild, healthy chimpanzees indicate constant investment in unspecific immune system by Verena Behringer, Jeroen M. G. Stevens, Roman M. Wittig, Catherine Crockford, Klaus Zuberbühler, Fabian H. Leendertz, Tobias Deschner

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