Back in early July, on a windy Sunday, I woke before sunrise at the southern end of North Manitou Island and headed out onto the beach for the day’s work. There at Dimmick’s Point, a broad wing of dunes and wave-turned stones reaching out into the Manitou Passage, we find the largest nesting concentration of Great Lakes piping plovers in the world. Roughly a quarter of the population nests on the island, with another quarter nesting just across the passage. Sleeping Bear Dunes National Lakeshore is home to nearly half the breeding pairs of this endangered shorebird. At Dimmick’s Point, four days a week during nesting season from May to August, I walk the beach and monitor the plover activity. The point is closed to park visitors during that time, so I am typically the only human among the birds.
