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Big Day is Our Biggest Conservation Fundraiser of the Year.



On April 25, 2013, Team Sapsucker broke their own national record with a total of 294 species seen or heard in 24 hours - 30 more species than the existing record! Epic.

Big Day isn't just about birding. Your Big Day donation makes the Cornell Lab of Ornithology's bird research and conservation efforts possible. 


To donate now, please click here.


Our Thanks for Your Support:

  • Donate $125 or more to receive "Our Favorite Birds" DVD

  • Donate $400 or more to receive a Cornell Lab journal plus the DVD


Our sponsor, Carl Zeiss Sports Optics, LLC, covers our expenses so 100% of your pledge goes directly to support conservation work.