Eider

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Eider

Eiders are large seaducks in the genus Somateria. Steller's Eider

Steller's Eider

The Steller's Eider is a medium-large Merginae, which breeds along the Arctic coasts of eastern Siberia and Alaska. The lined nest is built on tundra close to the sea, and 6-10 eggs are laid....
, despite its name, is in a different genus.

The three extant species all breed in the cooler latitudes of the Northern hemisphere.

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Encyclopedia

Eiders are large seaducks in the genus Somateria. Steller's Eider

Steller's Eider

Species

Common Eider
Common Eider

The Common Eider, Somateria mollissima, is a large Merginae, which is distributed over the northern coasts of Europe, North America and eastern Siberia....
Somateria mollissima
Spectacled Eider
Spectacled Eider

The Spectacled Eider is a large Merginae, which breeds on the coasts of Alaska and northeastern Siberia.The lined nest is built on tundra close to the sea, and 5?9 eggs are laid....
Somateria fischeri
King Eider
King Eider

The King Eider is a large Merginae, which breeds along northern hemisphere Arctic coasts of northeast Europe, North America and Asia. The birds spend most of the year in coastal marine ecosystems at high latitudes, and migrate to Arctic tundra to breed in June and July....
Somateria spectabilis

Two undescribed species are known from fossil

Fossil

Fossils are the preserved remains or trace fossil of animals, plants, and other organisms from the remote past. The totality of fossils, both discovered and undiscovered, and their placement in fossiliferous Rock formations and sedimentary rock layers is known as the fossil record....
s, one from Middle Oligocene

Oligocene

The Oligocene is a geologic epoch of the Paleogene Geologic Timescale and extends from about 33.9 million to 23 million years before the present....
rocks in Kazakhstan

Kazakhstan

Kazakhstan, also Kazakstan , officially the Republic of Kazakhstan, is a large Eurasian country in Central Asia and Eastern Europe. Ranked as the List of countries by area as well as the world's largest landlocked country, it has a territory of 2,727,300 km? ....
and another from the Late Miocene

Miocene

The Miocene is a Geologic time scale of the Neogene period and extends from about 23.03 to 5.33 million years before the present. As with other older geologic periods, the rock beds that define the start and end are well identified but the exact dates of the start and end of the period are uncertain....
or Early Pliocene

Pliocene

The Pliocene epoch is the period in the geologic timescale that extends from 5.332 million to 1.806 million years before present.The Pliocene is the second epoch of the Neogene period in the Cenozoic era....
of Lee Creek Mine, USA. The former may not actually belong into this genus.