154 ^'^^'^^' '^'^ '''^^^ WATER BIRDS OF FLORIDA. 



Family ANATID^. Ducks, Geese, and Swans. 

 Subfamily MERGIN^E. Mergansers, Tootii-billj^d Ducks. 



Merganser americana. 



(1) Head greenish or blackish; bill narrow, with tooth=Hke serrations. 



Length, 26.50 ; Wing, 1 1 : Tarsus, 2 ; Bill, 2.10. Un-' 



der parts creamy white tinged with salmon color. Herganser americana. 



American flerganser (male). 

 Sheldrake. See page 212 



Length, 23: Wing, O; Tarsus, 1.90; Bill, 2.30. Breast 



brown streaked with black. Merganser serrator (male). 



Red=breasted Merganser. 

 Sheldrake. See page 213 



Head brownish or grayish ; bill narrow, with tooth-like serrations. 



Length, 24.50; Wing, 0.75; Tarsus, 1.90; Bill, 2. 

 Distance from nostril to tip of bill le!«is than 



1.50. Merganser americana (female). 



American flerganser. 



See page 212 



