The Phyllis Haenle Memorial Audobon Sanctuary is a bird sanctuary in Grass Lake, MI.

8746 Seymour Rd, Grass Lake, MI 49259

"The Phyllis Haehnle Memorial Sanctuary, a Michigan Audubon sanctuary, has an area over 900 acres.  The varied habitats include Beech and Oak Climax forests and native grasslands in the upland areas; among those in the wetland areas are a fen, a hardwood swamp, Eagle Lake and Mud Lake Marsh. The Sanctuary is renowned for its Sandhill Cranes."