South Mississippi is defined by its coastal sweep, where tidal marshes, longleaf pine savannas, and barrier islands meet the Gulf of Mexico. The region’s blend of estuaries, bayous, and offshore dunes supports remarkable bird diversity through all seasons. Winter brings vast gatherings of waterfowl and gulls, spring and fall funnel migrants through coastal woodlots, and summer highlights nesting seabirds and pine savanna specialists. Offshore islands add wilderness and rarity potential, while inland forests and preserves protect endangered species found nowhere else. What makes this region stand out is its seamless transition from sheltered bayous to open gulf waters, a day’s journey that spans one of the richest birding landscapes in the Southeast.