Sunday, May 3, 8:00-10:00 (Note: Early start)Lion’s Den Gorge Nature Preserve511 High Bluff Drive, GraftonSet on top of a bluff above Lake Michigan, this Ozaukee County park is an awesome stop over for migrating birds. From the bluffs, ducks can be seen in Lake Michigan. The adjoining Ulao waterfowl area has ducks and shorebirds too.…