B. Hamilton 1965 Histrionicus histrionicus Aug. 3 Cape Thompson - Eight birds in ibonal plumage were seen where the creek entered the Bering Sea. Only one at the three marks on the tree could be made out even with a twenty power telescope Aug. 4. The same eight Harlequin Ducks were again seen Aug. 11. Nine Harlequin Ducks were seen where the creek enters the sea. Aug. 12 The nine Harlequin Ducks were again seen. Aug. 13 The nine Harlequin Ducks were again seen. Aug. 14 The nine Harlequin Ducks were again seen. A flock of eleven were seen along the coast.