Eider Duck

Somateria mollisima

The UK’s heaviest duck, and its fastest flying. It is a true seaduck, rarely found away from coasts where its dependence on coastal molluscs for food has brought it into conflict with mussel farmers.

Eiders are highly gregarious and usually stay close inshore, riding the swell in a sandy bay or strung out in long lines out beyond the breaking waves. It is an Amber List species because of its winter concentrations.

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Discover more about eider duck

Binoculars Icon Blue
When to see

They can be seen all year round breeding close to the cost, and during the winter, they can be seen a bit further south of their breeding grounds.

Map Icon Blue
Where to see

They can seen along the coasts near the shore, forming creches with young chicks. the will form flocks during the winter.

Book Icon Blue
Did you know?

They are the heaviest and fastest flying species of duck in the UK.

Dolphin Icon Blue
Related species

Gannet Great Skua

Binoculars Icon Blue
When to see

They can be seen all year round breeding close to the cost, and during the winter, they can be seen a bit further south of their breeding grounds.

Map Icon Blue
Where to see

They can seen along the coasts near the shore, forming creches with young chicks. the will form flocks during the winter.

Book Icon Blue
Did you know?

They are the heaviest and fastest flying species of duck in the UK.

Dolphin Icon Blue
Related species

Gannet Great Skua

Binoculars Icon Blue
When to see

They can be seen all year round breeding close to the cost, and during the winter, they can be seen a bit further south of their breeding grounds.

Map Icon Blue
Where to see

They can seen along the coasts near the shore, forming creches with young chicks. the will form flocks during the winter.

Book Icon Blue
Did you know?

They are the heaviest and fastest flying species of duck in the UK.

Dolphin Icon Blue
Related species

Gannet Great Skua