_Nycticorax goisagi_ Temminck, Pl. Col., livr. 98, 1835, pl. 582.
(Type locality, Japan.)
_Gorsakius goisagi_ Hand-list Japanese Birds, rev., 1932, p. 184
(Koror); Hand-list Japanese Birds, 3d ed., 1942, p. 204 (Koror);
Mayr, Birds Southwest Pacific, 1945, p. 302 (Palau).
_Geographic range._--Eastern China, Japan, Riu Kius, Formosa, and
Philippine Islands. In Micronesia: Palau Islands--Koror.
_Remarks._--_Gorsachius goisagi_ has been recorded from Koror in the
Palau Islands. It may be classed as a rare migrant to western
Micronesia.
=Gorsachius melanolophus melanolophus= (Raffles)