title: Retraction. Variation in chimpanzee 'culture' is predicted by local ecology, not geography.
authors.affiliation: Department of Anthropology and Yale Molecular Anthropology Laboratory, Yale University, New Haven, CT 06520, USA. jason.kamilar@yale.edu
authors.forename: Jason M
authors.initials: JM
authors.lastname: Kamilar
authors.forename: Joshua L
authors.initials: JL
authors.lastname: Marshack