Of land-based produce, Long Island duck has a history of national recognition since the 19th century, with four duck farms continuing to produce 2million ducks a year . Two symbols of Long Island's duck farming heritage are the Long Island Ducks minor-league baseball team and the Big Duck, a 1931 duck-shaped building that is a historic landmark and tourist attraction. In addition to Long Island's duck industry, Riverhead contains one of the largest buffalo farms on the East coast.