“…Chickens have been recovered from levels dating to c. 500–1200 CE at both coastal and inland sites such as Unguja Ukuu, Akameru and Cyinkomane and from sites in the Lamu Archipelago (Van Neer, ; Horton & Mudida, ). Significantly, earlier dates for chickens at Machaga Cave, c. 3000–2000 BCE (Chami, , ) are contested (Dueppen, ; Boivin et al, ; Mwacharo et al, ). Chickens date to similar periods in Central and Southern Africa (Table and Figure ; MacDonald, ; Boivin et al, ; Juma, ).…”