Game birds is a term used to describe birds that are hunted for sport or food. These birds include pheasants, quail, grouse, and partridge. However, there are many synonyms for this term, such as gamefowl, upland birds, wildfowl, and game hens. Gamefowl refers specifically to chickens that are bred and trained for cockfighting. Upland birds are game birds that live primarily on land, while wildfowl live in bodies of water. Game hens are female chickens that are bred and raised for their meat. Overall, these synonyms offer a more specific description of the different types of game birds and their characteristics.