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According to the bet365下载ios Bald Eagle Population Size 2020 Update report, the population has climbed to 316,700 eagles across the Lower 48 states鈥攓uadruple the population estimate in the USbet365下载ios 2009 report. Of the four regions included in the estimate, the Mississippi Flyway contains more than half of Bald Eagles. The higher number reflects the conservation success and continuing recovery of Bald Eagles since the 1960s, and also a more accurate estimate made possible by an innovative collaboration with the Cornell Lab of Ornithology. Data scientists at the Cornell Lab of Ornithology created models of eagle population distribution from eBird checklists that were then combined with USbet365下载ios aerial surveys. The Cornell Lab's Center for Avian Population Studies developed combined models to generate and provide estimates for the flyway regions, including areas not covered by USbet365下载ios aerial surveys.

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