1915 ] Lowe: Birds of Green Lake County 67 
Aix sponosa (Linnaeus) Wood Duck 
A fairly common migrant, less so than ten years ago. Nests 
found in 1904 along Devil's Elbow of the Fox River. Nesting 
pairs were found in the more secluded sloughs of the White and 
Fox Rivers. 
Marila americana (Eyton). Red Head 
A common migrant, comes early in spring, remains until the 
lakes freeze in fall. Taken April 6th, 1903, on Lake Puckaway. 
Marila valisineria (Wilson). Canvasback 
A moderately common migrant. More abundant ten years 
ago. Each year it is becoming more rare, although still fre- 
quent on Lake Puckaway and Green Lake. 
Marila marila (Linnaeus). Scaup Duck 
Common migrant. Reported at one time to be nesting on 
Lake Puckaway. In all probability it was the following species. 
Marila affinis (Eyton). Lesser Scaup Duck 
Very common migrant, perhaps the most abundant of all our 
ducks. Arrives April 8th to 28th. Frequents many of the 
small ponds. Breeds in the sloughs of the Fox River near Ber- 
lin; also on Green Lake and Pucka way. King reported it as 
a breeding species near Berlin. 4 
Marila collaris (Donovan). Ring-Necked Duck 
An abundant migrant, arrives April 15th to May 12th. May 
breed on Lake Puckaway where it was seen throughout the 
summers of 1904 and 1906. 
Clangula clangula americana Bonaparte. Golden Eye 
A fairly common migrant. Remains on Green Lake very 
late in fall. 
Charitonetta albeola (Linnaeus). Buffle-Head 
A common migrant, especially on Lake Puckaway. May 
remain quite late in spring, being seen as late as July on Green 
Lake. 
4 Geology of Wisconsin, vol. T, p. 606, 1873-1879. 
