6 $ 
Bulletin Wisconsin Natural History Society [Vol. 13, No. 2 
Erismatura jamaicensis (Gmelin). Ruddy Duck 
Quite common migrant. Fall of 1908 extremely abundant 
on Lake Puckaway. 
Oidemia perspicillata (Linnaeus). Surf Duck 
Only three were seen on Green Lake during the fall of 1906. 
They remained until the lake was frozen over. 
Anser albifrons gambeli Hartland. White-Fronted Goose 
Shot in a cornfield near Princeton, April 3d, 1910. This is 
the only specimen I have ever seen of this goose. 
Branta canadensis canadensis (Linnaeus). Canada Goose. 
A common migrant. Flocks of 12 to 75 are quite frequent. 
Olor columbianus (Ord.) Whistling Swan 
Rare migrant. Seen every spring on Green Lake. The 
flocks are usually small, of 4 to 12 individuals. Not more than 
one flock is seen in a season. 
Botaurus lentiginosus (Montagu). Bittern 
A common summer resident, especially on the large marshes 
bordering the Fox and the White Rivers, and all the larger lakes. 
Ixobrychus exilis (Gmelin). Least Bittern 
An abundant summer resident. Habitat same as the pre- 
ceding. 
Ardea herodias herodias Linnaeus. Great Blue Heron 
Rare summer resident. The following nesting colonies, three 
in number, were known up to 1912: One west of Pine Bluff in 
a tamarack swamp (2 nests); a second at the juncture of the 
White and Fox Rivers, in some black ash trees (3 nests) ; and an- 
other in an elm tree on Haak’s ranch. 
Butorides virescens virescens (Linnaeus). Green Heron 
A common summer resident. Nests on the large marshes 
along the Fox, White, Puckyan, and Grand Rivers, especially 
on the first three. 
