Summary: | In High Arctic Northeast Greenland King Eiders (Somateria spectabilis) were found nesting in association with solitarily breeding Long-tailed Skuas (Stercorarius longicaudus). The association is demonstrated using spatial statistics analyses and timing of clutch initiations. Long-tailed Skuas' nests were evenly spaced in the 6.1 sq km census area, whereas nine out of ten King Eider nests were located close to five different nests of Long-tailed Skua. It is suggested that the association may be a state of commensalism.Key words: nest site selection, nesting association, spatial distribution pattern, commensalism, King Eider, (Somateria spectabilis), Long-tailed Skua (Stercorarius longicaudus), Greenland, High Arctic Mots clés: choix de l'emplacement du nid, nidification en association, schéma de distribution spatiale, commensalisme, eider à tête grise (Somateria spectabilis), labbe à longue queue (Stercorarius longicaudus), Groenland, Extrême-Arctique
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