|Family XXXIX. ANATINAE. DUCKS. GENUS V. FULIGULA. SEA-DUCK.
|Genus||FULIGULA VALISNERIANA, WilS. The range of this
celebrated Duck may be considered as limited on the one band by
the mouths of the Mississippi, and on the other by the Hudson or
North river. Beyond the latter it is rarely seen at any season
on our eastern coasts; and this circumstance, conjoined with its
being now and then observed on the upper waters of our Western
Districts, and its breeding in great numbers on the borders of
Bear river, which flows into the salt lake of Timpanajoz in
Upper California, as well as in the marshes and along the banks
of streams in many parts of the Rocky Mountains, induces me to
believe that the individuals of this species, instead of
proceeding along the shores, pass overland towards their
breeding grounds, however far northward they may be situated.
According to Dr. RICHARDSON, it breeds in all parts of the Fur
Countries, from the 50th parallel to their most northern limits.
While in our Atlantic Districts, i