Where upland forests meet the broad Mississippi River, Southeastern Iowa forms a region defined by hardwood ridges, prairie remnants, and expansive floodplain wetlands. Oak–hickory woodlands support breeding warblers, thrushes, and resident raptors, while river backwaters and marshes concentrate shorebirds, waterfowl, and seasonal waders. The Mississippi anchors migration each spring and fall, drawing flocks into backwaters, levee trails, and river overlooks. Inland parks, state forests, and county preserves add grasslands, ponds, and woodland edges that shift in character with the seasons. From winter eagle gatherings to spring songbird waves and summer marsh-nesting species, the region provides consistent opportunities across habitats. These overlapping landscapes make Southeastern Iowa a compact but ecologically rich corner of the state.