Bucephala clangula. Golden-eye. Uncommon transient and winter resident. Specimens from Kansas alleged to be the Barrow Golden-eye (Bucephala islandica) all are of the present species.
Subspecies in Kansas: B. c. americana (Bonaparte).
Bucephala albeola (Linnaeus). Buffle-head. Fairly common transient and occasional winter resident throughout state.
No subspecies recognized.
Clangula hyemalis (Linnaeus). Old-squaw. Rare transient and winter visitant. At least five specimens taken (but only two or three preserved) and numerous sight records, from widely separated parts of state.
No subspecies recognized.
Somateria mollissima. Eider. Accidental. One record: immature male (KU 3620), Kansas River near Lecompton, Douglas County, November 3, 1891, A. L. Wiedman.
Subspecies in Kansas: S. m. v. nigra Bonaparte (identification checked by A. Wetmore).
Somateria spectabilis (Linnaeus). King Eider. Accidental. One record: immature male (KU 27487), Kansas River 1 mile east of Lawrence, Douglas County, November 27, 1947, R. L. Montell.
No subspecies recognized.