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Warbler Invasion: Magee Marsh Gears Up For Biggest Week Birding Blitz

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Published on May 04, 2026
Warbler Invasion: Magee Marsh Gears Up For Biggest Week Birding BlitzSource: Ohio Department of Natural Resources

Northwest Ohio is about to turn into a full-on birding magnet, as visitors from across the country flock to Magee Marsh and Maumee Bay State Park for the 10-day Biggest Week in American Birding festival. The annual event transforms the Magee boardwalk into one of North America's liveliest spring migration corridors, with dozens of warbler species funneling through the coastal woods. Organizers and local volunteers say the sudden burst of color and birdsong reliably pulls in photographers, researchers, and families to this stretch of Lake Erie every May.

The festival kicks off Friday, May 8, and runs through Sunday, May 17, with most of the action based at the Maumee Bay Lodge & Conference Center. According to Destination Toledo, the schedule is stacked with guided field trips, island boat tours and evening presentations crafted for everyone from first-timers to seasoned birders.

General registration covers access to many daytime field trips and evening events. Per the festival's registration page, Black Swamp Bird Observatory members pay $40, non-members $60, students ages 9 to 18 $15, and children 8 and under attend free, with some specialized outings carrying extra per-trip fees. For anyone who prefers to handle details on site, in-person registration will be available in the Maumee Bay Lodge lobby.

What You Will See On The Boardwalk

Magee Marsh's boardwalk slices through a dense patch of coastal swamp forest where migrating songbirds concentrate in spring. The Ohio Department of Natural Resources notes that the mile-long boardwalk crosses roughly a 34-acre piece of swamp forest and that many hundreds of species have been recorded in the broader marsh complex, which helps explain the dramatic day-to-day turnover birders talk about. When the weather and winds cooperate, visitors can expect an especially heavy mix of warblers, vireos and flycatchers.

What It Means For Local Towns

Local parks and tourism groups say the Biggest Week delivers a real spring boost to small hotels, restaurants, and other businesses along the Lake Erie shoreline. According to Metroparks Toledo, the Lake Erie marsh complex can see roughly 70,000 to 80,000 visitors over several weeks during peak migration. The festival itself attracts registered attendees from around the United States and from overseas, as noted by Birding Wire.

Registration And Travel Tips

Day-trippers are urged to arrive early, grab a spot in the west parking lot, and enter the boardwalk at the west platform to beat the heaviest crowds and improve their odds of unobstructed views. The Magee Marsh maps and logistics page lay out access points and other practical tips for first-time visitors, while the festival's summary schedule spells out which outings require extra fees and where pickups are staged at the lodge. Shuttles and some pay-at-the-door options are listed on the festival site, so checking the schedule before heading out can save some scrambling.

Organizers recommend planning visits for the festival's second week for those hoping to catch the biggest wave of warblers, since prime birding often tapers off by Memorial Day. Kimberly Kaufman, co-founder and executive director of the Black Swamp Bird Observatory, and Magee Marsh staff told Cleveland.com that the festival plays a significant role in local tourism, and that early arriving warblers can include yellow, yellow-rumped, pine, and palm species.