Friday, May 14 – Saturday, May 15
Celebrate nature with us this spring!
This year's Bird-a-thon weekend will feature family-friendly activities in addition to a competitive team birding contest.
So whether you decide to register for the fun of it or for the thrill of competition, you can help your team raise money that will support Mass Audubon's mission to protect the nature of Massachusetts.
Stay tuned . . more details about this year's event are coming soon!
About Bird-a-thon
Bird-a-thon is Mass Audubon’s largest fundraiser, bringing together supporters from across the state to raise essential funds for nature conservation, education, and advocacy. Since Bird-a-thon began in 1983, thousands of dedicated supporters and team members have raised over $3 million for Mass Audubon, its sanctuaries, and its programs across the state.
2021 Event Sponsors
Interested in becoming an event sponsor this year? Learn about sponsorship opportunities >
Find a Participant or Team to Support
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Top Teams
Top Fundraisers
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