This Michigan Audubon sanctuary is North America's first bird sanctuary dedicated to the conservation of Sandhill Cranes. Baker Sanctuary spans approximately 980 acres in Calhoun County making it the second-largest property owned and managed by Michigan Audubon. Baker's centerpiece habitat is the 200-acre Big Marsh Lake. Other habitats include ponds, streams, cattail marsh, tamarack swamp, oak opening, floodplain forest, wet meadow, and ongoing prairie and wetland restoration areas. What to see: Sandhill Crane, Bald Eagle, Trumpeter Swan, Northern Harrier, migrating waterfowl, and diverse warblers.Trails open daily from dawn to dusk. Free admission. Removal of anything from the sanctuary is prohibited.