Page [20].
CANVAS-BACK.—Aythya vallisneria. Other names: “White-Back,” “Bull-Neck,” “Red-Headed Bull-Neck.”
Range—North America. Breeds only in the interior, from northwestern states to the Arctic circle; south in winter to Guatemala.
Nest—On the ground, in marshy lakesides.
Eggs—Six to ten; buffy white, with bluish tinge.
Page [21].
WOOD DUCK.—Aix sponsa. Coloring varied; most beautiful of ducks. Other names: “Summer Duck,” “Bridal Duck,” “Wood Widgeon,” “Tree Duck.”
Range—North America. Breeds from Florida to Hudson’s Bay; winters south.