Ixobrychus eurhythmus (Swinhoe)
Schrenck's Least Bittern
Ardetta eurhythma Swinhoe, Ibis, 1873, p. 74, pl. 2. (Type locality, Amoy Shanghai.)
Ixobrychus eurythmus Mayr, Birds Southwest Pacific, 1945, p. 302 (Palau).
Geographic range.—Southeastern Siberia and Japan south to India and Malaysia. In Micronesia: Palau Islands—exact locality unknown.
Specimens examined.—Total number, 3 (2 males, 1 female), from Palau Islands, AMNH—exact locality not given (Nov. 19, 21, Dec. 3).
Remarks.—Coultas obtained three immature specimens at Palau in November and December, 1931.