_Anas fuligula_ Linnaeus, Syst. Nat., ed. 10, 1, 1758, p. 128.
(Type locality, Europe, restricted to Sweden.)
_Fuligula cristata_ Hartlaub and Finsch, Proc. Zool. Soc. London,
1868, pp. 9, 118 (Pelew); _idem_, Proc. Zool. Soc. London, 1872,
p. 90 (Pelew); Finsch, Journ. Mus. Godeffroy, 8, 1875, pp. 5, 40
(Palau); Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6,
1890-1891 (1891), p. 71 (Pelew); Oustalet, Nouv. Arch. Mus. Hist.
Nat. Paris, (3), 8, 1896, p. 50 (Mariannes, Palaos).
_Fuligula fuligula_ Salvadori, Cat. Birds British Mus., 27, 1895,
p. 363 (Pelew); Hartert, Novit. Zool., 5, 1898, p. 68 (Marianne);
Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 26
(Micronesia); Safford, Osprey, 1902, p. 70 (Mariannes); _idem_,
The Plant World, 7, 1904, p. 268 (Guam); Kuroda, in Momiyama,
Birds Micronesia, 1922, p. 38 (Mariane, Pelew, Yap); _idem_,
Avifauna Riu Kiu, 1925, p. 143 (Pelew, Marianne).
_Marila fuligula_ McGregor, Man. Philippine Birds, 1909, p. 199
(Marianne, Pelew).
_Nyroca fuligula_ Phillips, Nat. Hist. Ducks, 3, 1925, p. 234
(Guam); Hand-list Japanese Birds, rev., 1932, p. 185 (Pagan,
Saipan, Palau, Yap); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 15
(Guam); Mayr, Birds Southwest Pacific, 1945, p. 302 (Micronesia).
_Aytha fuligula_ Hand-list Japanese Birds, 3d ed., 1942, p. 207
(Pagan, Saipan, Tinian, Guam, Yap, Palau).
_Geographic range._--Breeds in Iceland, Europe, northern Asia.
Winters in Europe, Africa, Asia, Malaysia, and parts of Oceana. In
Micronesia: Mariana Islands--Pagan, Saipan, Tinian, Guam;
Palau--exact locality unknown; Caroline Islands--Yap.
_Remarks._--The Tufted Duck is a winter migrant to western Micronesia.
It has been recorded only a few times and may be an irregular visitor.
Flavin observed a duck, which he thought to be of this species, at Guam
on January 19, 1946. Marshall (1949:221) reports that two Tufted Ducks
were seen at Lake Hagoi in April 1945.
=Aythya valisineria= (Wilson)