Jungle Fowl, common name for four species of fowl found in Asia, south of the Himalayas, and on many islands in the East Indies: the gray jungle fowl of India, the Ceylon jungle fowl of Sri Lanka, the green jungle fowl of Indonesia, and the red jungle fowl.
Genetic analyses have shown that every breed of domestic chicken can be traced to the red jungle fowl. Scientists estimate that these birds were domesticated roughly 8000 years ago in what is now Thailand and Vietnam. The red jungle fowl has been widely introduced, both in wild and domestic forms, around the world. This is a rare case in which the domestication of a species did not result in the extinction of its wild ancestor.