Editing Long-tailed duck (section)

===Breeding===
Their breeding habitat is in [[tundra]] pools and marshes, but also along sea coasts and in large mountain lakes in the North Atlantic region, Alaska, northern Canada, northern Europe, and Russia. The [[bird nest|nest]] is located on the ground near water; it is built using vegetation and lined with down. They are [[bird migration|migratory]] and winter along the eastern and western coasts of North America, on the [[Great Lakes]], coastal northern Europe and Asia, with stragglers to the [[Black Sea]]. The most important wintering area is the [[Baltic Sea]], where a total of about 4.5 million gather. As of 2022 it has also been breeding in parts of Western Europe, such as on the [[Marker Wadden]] in the Netherlands.