TABLE 1.

Numbers of resighting reports of banding ring-billed gulls by state and month. The number of birds with AIV status determined by PCR at banding time by time and location are indicated with a number and a symbol. + = positive. - = negative. ? = unknown. * = only color of band observed. ^ = not AIV tested.

														Number of reports of individual birds by AIV status at time of banding				Total of all reports per statea
		Season												Total by State	Total positive	Total negative	Total unknown/not tested
		Winter			Spring			Summer			Fall
Flyway	State	December	January	February	March	April	May	June	July	August	September	October	November
Atlantic	Florida	1 -	3 -											4	0	4	0	9
	Maryland				1 -									1	0	1	0	1
	Virginia	1 -												1	0	1	0	1
Central	North Dakota							2 +	1 +		1 +			4	4	0	0	6
	Oklahoma					1 -								1	0	1	0	1
	South Dakota									1 -				1	0	1	0	1
	Texas			1 +										1	1	0	0	2
Mississippi	Arkansas		1 +											1	1	0	0	1
	Iowa				1 -, 1 +						1 -	1 +	2 +	6	4	2	0	7
	Illinois									1 -				1	0	1	0	1
	Kentucky			1 ?*								1 +		2	1	0	1	2
	Michigan	1 -							1 +	1 -				3	1	2	0	3
	Minnesota						15 -	6 -	1 -	5 -, 1 +, 2 ^	5 -, 8 +	2 -	2 -	47	19	26	2	57
	Missouri		2-							-				3	0	3	0	4
	Mississippi	1 ?*	2+						1-					4	2	1	1	5
	Ohio	2-,4+		3+		1+				1 -	1 +		2 +	14	11	3	0	18
	Tennessee		1 +											1	1	0	0	1
	Wisconsin					1-					3 -, 1 -	1 -	3 -, 2 +	11	2	9	0	14
	Total	10	9	5	3	3	15	8	4	13	20	5	11	106	37	55	14	134

^a Some birds were resighted on multiple occasions but at different locations and on separate dates.