Two of these were red junglefowl from a local zoo (all domestic chickens were originally bred from red junglefowl at least 5,000 years ago); two were white leghorn chickens (a modern farmyard variety).

• 其中两组是当地动物园中的红原鸡（所有家养鸡类都是其后代，红原鸡已存在至少五千年），另两组是白来亨鸡（现代家养鸡）。