Plio-Pleistocene sites are a rare occurrence in same sites. This combination of factors is the archaeological record. When they are unique in East African Plio-Pleistocene uncovered, the faunal materials so crucial to archaeology and has stimulated much debate unlocking their behavioral meaning are often over the socioeconomic function of early sites. poorly preserved. For example, at Koobi Fora, Influential models of early hominid behavior Kenya,...