Florida and the Game Water-Birds of the Atlantic Coast and the Lakes of the United States / With a full account of the sporting along our sea-shores and inland waters, and remarks on breech-loaders and hammerless guns

by Robert Barnwell Roosevelt

Fresh-water Ducks.

Genus Anas, Linn.

Generic Distinctions.—Bill higher than broad at the base, widening towards the end, and about the same length as the head; the upper mandible with a slight nail at the end; neck rather long; body full; wings moderate, pointed; feet short, stout, and placed behind the centre of the body; walks with a waddling gait; hind toe furnished with a narrow membrane.