Group-level cooperation in chimpanzees is shaped by strong social ties

by Liran Samuni, Catherine Crockford, Roman M. Wittig
Published 2021

Attractiveness of female sexual signaling predicts differences in female grouping patterns between bonobos and chimpanzees

by Martin Surbeck, Cédric Girard-Buttoz, Liran Samuni, Christophe Boesch, Barbara Fruth, Catherine Crockford, Roman M. Wittig, Gottfried Hohmann
Published 2021

Early maternal loss leads to short- but not long-term effects on diurnal cortisol slopes in wild chimpanzees

by Cédric Girard-Buttoz, Patrick J Tkaczynski, Liran Samuni, Pawel Fedurek, Cristina Gomes, Therese Löhrich, Virgile Manin, Anna Preis, Prince F Valé, Tobias Deschner, Roman M Wittig, Catherine Crockford
Published 2021