Linguistic and archaeological evidence suggests that the Wintun people probably entered the California area around 500 AD from what is now southern Oregon , introducing bow and arrow technology to the region ( Golla 2011 : 205 ) .
Each of these tribes speak one of the Wintuan languages .
Linguistic and archaeological evidence suggests that the Wintuan people probably entered the California area around 500 AD from what is now southern Oregon , introducing bow and arrow technology to the region ( Golla 2011 : 205 ) .
Each of these tribes speak one of the Wintuan languages .