Table 1. Date (mm/dd/yy) of the beginning and the end of the three disturbance sessions for each group in teals and tufted ducks.

		session 1		session 2		session 3
		beginning	end	beginning	end	beginning	end
teals	G1	11/14/07	11/20/07	01/04/08	01/10/08	02/13/08	02/19/08
	G2	11/21/07	11/27/07	01/11/08	01/17/08	02/20/08	02/26/08
tufted ducks	G2	11/26/08	12/02/08	01/10/09	01/16/09	02/18/09	02/24/09