Every April, Grand Isle becomes one of the premier birding destinations in North America as hundreds of neotropical migratory species make landfall after crossing the Gulf of Mexico. The annual festival, running since 1997, draws serious birders who come to see exhausted warblers, tanagers, and buntings dropping into the live oaks after their 600-mile nonstop flight from the Yucatan. On a good 'fallout' day — when weather forces birds down — a single oak tree can hold 30 species.
Quick facts
- ·Held annually in April during peak spring migration.
- ·Running since 1997, now a three-day event.
- ·Grand Isle is a critical first-landfall point for trans-Gulf migrants.
- ·Neotropical species cross 600+ miles of open Gulf from the Yucatan.
- ·A 'fallout' day can produce 30+ species in a single tree.
- ·Warblers, tanagers, buntings, and orioles are the headline species.
- ·The Grand Isle Butterfly Garden is a key birding hotspot.
- ·Guided field trips, workshops, and expert talks throughout the festival.
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Editorial content compiled with AI assistance. Place details verified against public records.