THE WIGEON. 7 203 
general colour, and losing some of the most conspicuous 
external differences which distinguish males from females,” 
THE WIGEONS are really very close to the Teal, and are scarcely 
to be separated except by their shorter and rather broader bills. 
narrowed towards the tips. 
Besides our bird, America has two other species—americana 
from Northern and Central America and Trinidad, and chz- 
loensis from Chili, Patagonia, &c., and the Falkland Islands. 
A third species, to be dealt with hereafter, gvbberfrons of 
Australia and the Islands of the Indian Ocean, which we get 
in the Andamans, is usually classed as a Wigeon, but I am now 
disposed to class it rather with the Teal. 
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