There are four kinds of meat: red meat, organ meat, fish, and poultry. Red meat includes meat from cow, pigs, and lambs. The most common kinds of red meat are beef (meat from adult cows), veal (meat from very young cows; that is, less than three months old), and pork (meat from pigs). The most popular kinds of pork include bacon, sausage, and ham. Lamb (meat from young sheep) is popular, but mutton (meat from adult sheep) is not popular in the U.S. organ meats, such as liver, heart, kidneys, and brain, give a lot of minerals. There are three types of fish: salt water fish, fresh water fish and shellfish, like lobster and clam. Poultry (birds) includes chicken, turkey, and duck