Orangutans and chimpanzees produce morphologically varied laugh faces in response to the age and sex of their social partners by Fabio Crepaldi, Florence Rocque, Guillaume Dezecache, Leanne Proops, Marina Davila-Ross

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Social and individual factors mediate chimpanzee vocal ontogeny by Adrian Soldati, Pawel Fedurek, Guillaume Dezecache, Geresomu Muhumuza, Catherine Hobaiter, Klaus Zuberbühler, Josep Call

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Affiliation in times of pandemics: Determinants and consequences. by Guillaume Dezecache, Johann Chevalère, Natalia Martinelli, Sandrine Gil, Clément Belletier, Sylvie Droit-Volet, Pascal Huguet

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The motivation to inform others: a field experiment with wild chimpanzees by Derry Taylor, Sam Adue, Monday M’Botella, Denis Tatone, Marina Davila-Ross, Klaus Zuberbühler, Guillaume Dezecache

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