Biggest Week In Birding 2025. The biggest week in american birding is headquartered at the maumee bay lodge & conference center in maumee bay state park in oregon, oh. Biggest week in american birding starts on the friday of the first full week in may and continues for 10 days.

Closely observed, photographed or tried to identify birds in the wild—activities known broadly as birding. As a premier registrant, you’ll be given access to online registration for the 2025 biggest week in american birding on wednesday, february 12, 2025 at noon (est).