Gryllteiste Cepphus grylle

Small seabird of coastal areas of the North Atlantic and Alaska. Breeding plumage is entirely black with bold white patch on wings and bright red legs. Changes dramatically in winter to whitish overall with some dusky markings on body and black wingtips. Often found in shallower coastal waters including from shore. Dives to hunt for fish and invertebrates. Nests in crevice or burrow in a cliff or around large rocks.