Any one of several species of small fresh-water ducks of the genus
Anas and the subgenera
Querquedula and
Nettion. The male is handsomely colored, and has a bright green or blue speculum on the wings. [
1913 Webster]
" The common European teal (Anas crecca) and the European blue-winged teal, or garganey (Anas querquedula or Anas circia), are well-known species. In America the blue-winged teal (Anas discors), the green-winged teal (Anas Carolinensis), and the cinnamon teal (Anas cyanoptera) are common species, valued as game birds. See Garganey."
[1913 Webster]