Approximately 96.4% of Ecuador's Indigenous population are Highland Quichuas living in the valleys of the Sierra region. Primarily consisting of the descendents of Incans, they are Kichwa speakers and include the Caranqui, the Otavalos, the Cayambi, the Quitu-Caras, the Panzaleo, the Chimbuelo, the Salasacan, the Tugua, the Puruhá, the Cañari, and the Saraguro. Linguistic evidence suggests that the Salascan and the Saraguro may have been the descendants of Bolivian ethnic groups transplanted to Ecuador as mitimaes.