Common eider (Somateria mollissima)The Common eider (Somateria mollissima) is a large sea duck from the family of water birds that includes ducks, geese, and swans (Anatidae).
- Dutch name:
- English name:
- Common Eider
- German name:
- French name:
- Eider à duvet
- Scientific name:
- Somateria mollissima
The common eider is both the largest of the four eider species. It is characterized by its bulky shape and large, wedge-shaped bill.
Is unmistakable, with its black and white plumage and green nape. Bill being olive green, yellowish green to bright orange amongst the sup species.
Is a brown bird, but can still be readily distinguished from all ducks, except other eider species, on the basis of size and head shape. The drake's display call is a strange almost human-like "ah-ooo," while the hen utters hoarse quacks.
The species is often readily approachable.
- Lengte man:
- The male (drake) of the Common eider measures approximately 50-71 centimeter. The female measures approximately 50-71 centimeter.
- Weight male:
- The weight is notoriously variable and can only be used as indication!
The male will weight about 1980-2460 gram. The female will weight about 1800-2240 gram.
Drakes of the European, eastern North American and Asia/western North American races can be distinguished by minor differences in plumage and bill colour. Faeroes Eider (faeroeensis), Northern Eider (borealis), Hudson Bay Eider (sedentaria), Dresser's Eider, Atlantic Eider (dresseri). Some authorities place the subspecies v-nigra as a separate species.
- Somateria mollissima mollissima – Common Eider – breeds from NW Europe E to Novaya Zemlya; winters S to Atlantic coast of France and N Mediterranean Basin.
- Somateria mollissima faeroeensis – Faeroe Is, Shetland Is and Orkney Is, and Outer Hebrides (W Scotland).
- Somateria mollissima borealis – breeds in Arctic Atlantic from Groswater Bay (Labrador) N to Southampton I and Baffin I, E through Greenland and Iceland to Franz Josef Land; in winter, around coasts of N Atlantic, reaching Gulf of St Lawrence.
- Somateria mollissima sedentary – Hudson Bay and James Bay region.
- Somateria mollissima dresseri – breeds in NE North America from Groswater Bay (Labrador) S to Massachusetts; in winter from Gulf of St Lawrence S to Long I, New York.
- Somateria mollissima v-nigrum – Pacific Eider – New Siberian Is (NE Siberia) E to NW North America; winters Bering Sea and Aleutian Is.
- Nest placement and structure:
The eider's nest is built close to the pond and is lined with eiderdown, plucked from the female's breast.
- The female Common eider usually lays from 4-6 grijsgroen eggs and incubates them for 28 days.
- Bird banding:
- Recommended leg band size for the Common eider is 13 mm.The leg band can only be applied on a young large sea duck at around 14 days old.
- It doesn't matter what leg that you band, but it is good to have a consistent system. Suggested: Left leg = Female, Right leg = Male
Geëxtrudeerde drijvende korrels, speciaal voor vogels waarvan de specifieke voedingsbehoeften voornamelijk gericht is op vis zoals de Ibissen, lepelaars, ooievaars, enz. Dit voeder bevat oa. echt zeezout en Spirulina-algen voor een gezonde en onontbeerlijke voeding zoals in de natuur.
Geëxtrudeerde drijvend speciaalvoeder voor zeevogels met de hoogste voedingsbehoeften. Dit voeder bevat oa. echt zeezout en Spirulina-algen voor een gezonde en onontbeerlijke voeding zoals in de natuur.
- Europese soort
The common eider is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.