What species is considered the primary ancestor of the domestic chicken, Gallus gallus domesticus?

Answer

Red Junglefowl (Gallus gallus)

The Red Junglefowl is identified as the primary, and perhaps near-exclusive, ancestor of the domestic chicken, Gallus gallus domesticus, based on archaeological and genetic evidence.

What species is considered the primary ancestor of the domestic chicken, Gallus gallus domesticus?
speciesbirdanimalstatusjunglefowl