1913] Cahn: Birds of Waukesha County 
Migrant and Summer Resident 
Loon. Nighthawk. 
*Coot. *Towhee. 
Semipalmated Sandpiper. Yellow-throated Vireo. 
Semipalmated Plover. Ovenbird. 
*Cooper Hawk. Maryland Yellowthroat. 
Yellow-bellied Sapsucker. 
Migrant and Winter Resident 
Black Duck. Tree Sparrow. 
Rough-legged Hawk. Brown Creeper. 
Short-eared Owl. Golden-crowned Kinglet. 
Pine Siskin. 
Rare Visitant 
Great Black-backed Gull. Sandhill Crane. 
Old Squaw. Bald Eagle. 
Whistling Swan. Great Horned Owl. 
Hypothetical List 
Brant sp? Blue-winged Warbler. 
Duck Hawk. Kirtland Warbler. 
Northern Shrike. Hooded Warbler. 
Worm-eating Warbler. Caerulean Warbler. 
Summary 
Resident 
Winter resident 
Summer resident 
Migrant 
Migrant and summer resident 
Migrant and winter resident 
Rare visitant 
Hypothetical 
Total 
Known Breeding Species, 75 
149 
15 
7 
69 
79 
11 
7 
6 
8 
202 
Department of Zoology, 
University of Wisconsin, Madison, 
February, 21, 1914. 
