I ^4 A Pioneer History oe Becker County. 
to the streams and ponds of woodlands. It builds its nest 
in a cavity in a tree, often at a considerable distance from 
water. 
27. Redhead (Aythya americana). 
Common, breeding in the sloughs and around the edges 
of marshy lakes in the more open portions of the county. 
28. Canvas-back ( Aythya vallisneria ). 
A less common breeder, but numerous spring and fall. 
1 his and the last species are fond of the wild celery and 
congregate in the fall in great flocks on lakes where this 
plant is abundant. 
29. Greater Scaup Duck, Large Blue-bill (Aythya niarila). 
Found spring and fall, but less commonly than the next 
species. 
30. Lesser Scaup Duck, Blue-bill (Aythya affinis ). 
Abundant spring and fall, furnishing a considerable part 
of the late pass-shooting. Breeding sparingly about 
marshy lakes. 
31. Ring-necked Duck, “Black Duck” (Aythya collaris). 
A common and valuable duck, breeding in the marshes 
and appearing as a migrant in great numbers spring and 
fall. In size and appearance very like the Lesser Scaup, 
but the wing patch, or speculum, is bluish gray instead 
of white as in the Scaup. 
32. Golden-eye. Whistle-wing (Clangula clangula americana). 
Nowhere common; found chiefly about the larger lakes 
and along rivers. Nests in a hollow tree. 
A northern species, Barrow s Golden-eye, may occasion¬ 
ally occur during winter along rivers where the water 
flows too rapidly to freeze. 
33. Bu EE r,E-HE ad, “Butter-hall'' (Charitonetta alb cold) . 
Frequent spring and late fall, preferring open water. 
May occasionally breed ; nests in hollow trees. 
34. White-winged Scoter (Oidcmia deglandi ). 
This and its two congeners, the American and Surf 
Scoter, are chiefly birds of the sea-coasts and high north¬ 
ern regions, but are occasionally found in the interior and 
an individual belonging to this group may now and then 
be taken spring or fall or even during the winter months 
