The Biggest Week In American Birding 2025 Recap

We're so grateful to all of the sponsors, partners, tour companies, vendors, volunteers, field trip leaders and drivers, workshop instructors, keynote speakers, musical performers, and the more than 2,600 participants who made this one of the greatest festivals we've ever had! 

Festival Checklist - 243 Species Recorded!

Highlights Include:
  • Black-billed Magpie - A festival first!
  • Ross's Goose - Another festival first!
  • Common Raven - Yet ANOTHER festival first!
  • All 36 expected warbler species, including Kirtland's!
  • Ruff - A rare Eurasian shorebird and 3rd festival record
Without the support of many organizations, companies, and agencies, the Biggest Week wouldn’t be possible. ​Click below to see all of our aMAYzing partners and collaborators!

Thank you to our 2025 sponsors!

Kirtland's Warbler Level - $25,000+

Blackburnian Warbler Level - $15,000+

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Magnolia Warbler Level - $10,000+

Hooded Warbler Level $5,000+

Cape May Warbler Level $2,500+

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Yellow Warbler Level $1,000+
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A Birding Festival in Northwest Ohio: "The Warbler Capital of the World"
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