Four Harlequin Ducks flying, Husavik, Iceland

At sea, Skjalfandi Bay, near Husavik, Iceland (June 2014)

These birds were spotted from a boat during a whale-watching trip organised by North Sailing out of Husavik.

Status is Least Concern. For more information on this bird species see the following links:
Harlequin duck (Histrionicus histrionicus) / Wikpedia
Harlequin Duck / Bird Forum
BirdLife International / Harlequin Duck Histrionicus histrionicus
Harlequin Duck Histrionicus histrionicus / Cornell Lab of Ornithology

Tv(Shutter Speed) 1/2000
Av(Aperture Value) 5.6
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ISO Speed 640