Duck refers to the meat of several species of bird in the Anatidae

Anatidae

Anatidae is the biological family of birds that includes ducks, geese and swans. The family has a cosmopolitan distribution, occurring on all the world's continents except Antarctica and on most of the world's islands and island groups...

 family, found in both fresh

Freshwater

Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...

 and salt water

Seawater

Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% . This means that every kilogram of seawater has approximately of dissolved salts . The average density of seawater at the ocean surface is 1.025 g/ml...

. Duck is eaten in many cuisine

Cuisine

Cuisine is a characteristic style of cooking practices and traditions, often associated with a specific culture. Cuisines are often named after the geographic areas or regions that they originate from...

s around the world.
The most common duck meat consumed in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 is the Pekin duck

Pekin duck

Pekin duck, or Long Island duck , is a breed of domesticated duck used primarily for egg and meat production. It was bred from the Mallard in China. The ancestors of those ducks originated from the canals which linked waterways in Nanjing and originally had small bodies and black feathers...

. Because most commercially raised Pekins come from Long Island

Long Island

Long Island is an island located in the southeast part of the U.S. state of New York, just east of Manhattan. Stretching northeast into the Atlantic Ocean, Long Island contains four counties, two of which are boroughs of New York City , and two of which are mainly suburban...

, New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

, Pekins are also sometimes called "Long Island" ducks, despite being of Chinese origin. Some specialty breeds have become more popular in recent years, notably the Muscovy

Muscovy Duck

The Muscovy Duck is a large duck which is native to Mexico and Central and South America. A small wild population reaches into the United States in the lower Rio Grande Valley of Texas...

 duck, and the Moulard duck

Mulard

The Mulard is a hybrid variety of domestic duck produced by crossing a female Pekin with a male Muscovy Duck. Since the domestic Pekin is descended from the Mallard Duck and the Muscovy is a separate species, all Mulards are sterile F1 hybrids...

 (a sterile

Infertility

Infertility primarily refers to the biological inability of a person to contribute to conception. Infertility may also refer to the state of a woman who is unable to carry a pregnancy to full term...

 hybrid of Pekins and Muscovies).