Make Every Bird Count

Your Big Day gift supports critical conservation efforts

Wood Thrush by John Petruzzi / Macaulay Library.

The Cornell Lab’s Big Day is an epic 24-hour birding marathon and one of our biggest annual fundraisers. Help us make this year’s Big Day a success by making a gift today! Your donation will support urgently needed conservation action—protecting birds across habitats and hemispheres all year long.

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Please only click "Donate Now" once. Your gift may take a few moments to process. If you have any questions, please email us at: [email protected].