14 THE BIRDS OF EASTERN NORTH AMERICA. 
Bill, very much bent, with tooth-like serrations on edge. Large, tall birds with long necks 
and legs, usually red or pink. Family PHGENICOPTERIDAE. Flamingoes. 
See page 85. 
= 
Bill, long and narrow, having tooth-like serrations on edges; toes, four, the front ones, 
full webbed; hind toe, with flap. 
Family ANATIDAE. Subfamily MERGINAE. Mergansers. 
See page 61. 
Top of bill of Merganser. Side of bill. 
Bill, not narrow ; tarsus, scutellate in front (transverse scales) ; toes, four, 
the front ones, full webbed ; hind toes, without decided flap or lobe. 
Family ANATIDAE. Subfamily ANATINAE. River and Pond Ducks. 
See page 63, 
Ducks. Bill of Duck. 
Bill, not narrow; tarsus, scutellate in front (transverse scales) ; toes, four, 
the front ones, full webbed; hind toe, with flap or lobe. 
Family ANATIDAE. Subfamily FULIGULINAE. Sea Ducks. 
See page 71. 
