An aerial survey of post-breeding molting Harlequin Ducks (Histrionicus histrionicus) was carried out in late July 1999 along the southern half of the West Greenland coast. About 3,500 birds were located, which at this time of the year almost exclusively are males. Based on this observation a total of 5,000-10,000 Harlequin Duck males were estimated to molt in West Greenland. About 98% of the surveyed birds were found in the southern half of the study area. This distribution pattern may be linked to the presence of Atlantic Canadian males, which probably account for an appreciable proportion of the molting males in Greenland.
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Vol. 25 • No. 3