Join us to learn about different types and ways wildlife forms families, explore the Humbug Marsh to look for wildlife homes.Humbug Marsh is a 410 acre hotspot of biodiversity in an urban landscape designated as a Wetland of International Importance.Located along the Detroit River, straddling both Trenton and Gibraltar Michigan, this site is the last undeveloped mile of the Detroit River on the U.S. side of the border.