KEY TO TILE WATER BIRDS OF FLORID I§9 
Anas discors (male). Anas carolinensis (male). 
Length, 14.50; Wing, 7.20; Tarsus, 1.25; Bill, 1.50. 
No blue patch on wing; speculum black, tipped 
with white. Anas carolinensis. 
Green-winged Teal. See pave 220 
Length, 16; Wing, 7.50: Bill, 1.75; Tarsus. 1.30. Head 
and neck chestnut; a patch of blue on wing; 
speculum green. Anas cyanoptera. 
Cinnamon Teal. See page 221 
SupramMity FULIGINA. Sra Ducks. 
(1) Hind toe with well-defined membranous 
lobe or flap. 
Belly white, sometimes grayish or blackish 
on lower part; no white on head. 
Length, 21.50; Wing,9: Tarsus, 1.50; Bill, 2.30. Head Aythya americana. 
reddish brown, chin and crown dusky ; speculum 
gray ; upper feathers edged with black. Resembles 
Redhead Duck, but bill very different. (See figure.) Aythya vallisneria. 
Canvas-back Duck. See page 227 
