Video S3 from Social bonds facilitate cooperative resource sharing in wild chimpanzees L. Samuni A. Preis A. Mielke T. Deschner R. M. Wittig C. Crockford 10.6084/m9.figshare.7128503.v1 https://rs.figshare.com/articles/media/Video_S3_from_Social_bonds_facilitate_cooperative_resource_sharing_in_wild_chimpanzees/7128503 Chimpanzees passively sharing meat with some individuals while excluding others 2018-09-25 16:50:25 Pan troglodytes cooperation friendship oxytocin harassment