Subscribe to the Biggest Week eNews for all the latest updates  including when the schedule for 2024 will be posted, how to apply to be a vendor in the Birders Marketplace, registration information, and more!

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There's still time to buy a shirt from the 2023 Biggest Week!

With the Black Swamp Bird Observatory Swamp Shop under renovation, a Bonfire campaign has been created for this year's Biggest Week t-shirts. The design specific to the 2023 festival - Birding at its Best - was created by Paul Riss of BRDR BATL.
CLICK HERE>>> for the Birding at its Best shirt
CLICK HERE>>> for The Biggest Week logo shirt

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Special thanks to our 2024 co-hosts

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Major Support for the
2024 Biggest Week Provided By

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Thank you to our 2024 Sponsors!

Kirtland's Warbler Sponsors​

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Blackburnian Warbler Sponsors

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Cape May Warbler Sponsors​

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Myrtle Warbler Sponsors 

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Myrtle Warbler Sponsors 

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Tour Company Partners