TABLE 1.

Numbers of E. coli strains collected from adult and juvenile birds at different locations and on different dates in the Great Lakes

Locationa	Site	Sampling dates	Avian species	Bird ageb	No. of E. coli isolates
DLH	Southworth Marsh	2006	Gull	Adult	32
	Blatnik Bridge	2006	Gull	Adult	59
	Interstate Island	2002, 2003, 2005, 2006	Gull	Juvenile	164
	Interstate Island	2002, 2003, 2006	Tern	Juvenile	92
	Park Point	2005	Geese	Adult	48
	Park Point	2006	Geese	Adult	74
SS	Cornucopia, WI	July and August 2004	Gull	Adult	18
	Ashland, WI	July and August 2004	Gull	Adult	7
	Saxon Harbor, WI	July and August 2004	Gull	Adult	23
	Madeline Island, WI	August 2004	Gull	Adult	8
	Washburn, WI	August 2004	Gull	Adult	1
DC	Egg Harbor, WI	June 2005	Gull	Adult	4
	Jacksonport, WI	June to August 2005	Gull	Adult	16
	Baileys Harbor, WI	June to August 2005	Gull	Adult	12
	Sturgeon Bay, WI	June 2005	Gull	Adult	3
LC	Lake County, IL	February and March 2003	Gull	Adult	31
IN	West Beach, IN	June 1998 to August 2001	Gull	Adult	19

^aDLH, Duluth-Superior harbor, Lake Superior; SS, south shore of Lake Superior, Wisconsin; DC, Door County, WI, Lake Michigan; LC, Lake County, IL, Lake Michigan; IN, Indiana, Lake Michigan.

^bFlightless birds were considered juveniles.