This IBA is a State Nature Preserve representing an unusual remnant of the wet forest that once existed in northwest Ohio. It is the largest known mature forest with large areas of button bush wetlands in west-central Ohio. The IBA encompasses over 500 acres of wet mature woodland and about 500 acres of grassland and meadows.

Important breeding species are Yellow-billed Cuckoo, Cerulean Warbler, Kentucky Warbler, Ovenbird, American Redstart, Hooded Warbler, Yellow-throated Vireo, Acadian Flycatcher, Eastern Meadowlark, Sedge Wren, Bobolink, Henslow’s Sparrow, Veery, Pileated Woodpecker (possibly the only site in Hardin County), and a breeding colony of Great Blue Herons.