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Photo © Al Tuttle

Why do we lock data?

Data associated with your sites from previous years is kept locked. You may request to have data unlocked, and, if granted, it will be unlocked for 30 days. This is because we use your data for scientific purposes and the data is now part of the collective history of nesting birds. We must be careful not to tamper with historical data.

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Cornell Lab of Ornithology

Cornell Lab of Ornithology