Aythya valisineria Hand-list Japanese Birds, 3d ed., 1942, p. 207 (Marshall Islands).
Geographic range.—Breeds in northwestern and northcentral North America. Winters south to Gulf States, Florida and Mexico. In Micronesia: Marshall Islands—Jaluit.
Remarks.—Reichenow (1901:17) and Schnee (1901:131) reported three species of American ducks (Aythya valisineria, Anas acuta tzitzihoa and Anas crecca carolinensis) in the Marshalls in October, 1899, and May, 1900. These species may be stragglers to eastern Micronesia.
Accipiter soloënsis (Horsfield)
Chinese Goshawk
Falco Soloënsis Horsfield, Trans. Linn. Soc. London, 13, 1821, p. 137. (Type locality, Java.)
Accipiter soloënsis Hand-list Japanese Birds, rev., 1932, p. 182 (Yap); Hand-list Japanese Birds, 3d ed., 1942, p. 203 (Yap, Rota); Mayr, Birds Southwest Pacific, 1945, p. 302 (Yap).
Geographic range.—Breeds in northern China south to Kwangtung. Winters to Malaysia. In Micronesia: Mariana Islands—Rota; Caroline Islands—Yap.
Remarks.—The Chinese Goshawk is a winter visitor to Micronesia and has been recorded at Rota and Yap. The NAMRU2 party saw several unidentified hawks in Micronesia in 1945. At Mt. Tenjo, Guam, Muennink saw a small hawk, resembling an accipiter, darting at swiftlets on June 8, 1945. At Angaur, the writer saw a small hawk flying through heavy vegetation along the rugged coast line on September 21, 1945. A hawk "Butio(?)" was reported at Saipan in 1945 by Moran (1946:262); this hawk may have been Butastur indicus (Gmelin). Marshall (1949:221) reports seeing "three kinds of hawks" on Palau in November, 1945. Obviously, further observations and collecting will increase our knowledge of the known number of kinds of hawks which visit Micronesia.