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Filters: Tags: Breeding Bird Survey Analysis (X) > Date Range: {"choice":"year"} (X) > Categories: Data (X)

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This data product consists of a database of population change and abundance estimates for North American birds, estimated from North American Breeding Bird Survey (BBS) data. Data are presented for 548 species of birds in 4 spreadsheets containing trend estimates and annual indices for 2 time periods. Estimates are derived for each species using the 1 of 4 alternative models, and a cross-validation model selection procedure was used to select the best model for each species. Metadata associated with this data product provides information specific to the associated analysis results; metadata for the BBS data are available at Ziolkowski, D.J., Lutmerding, M., English, W.B., Aponte, V.I., and Hudson, M-A.R., 2023,...


    map background search result map search result map The North American Breeding Bird Survey, Analysis Results 1966 - 2022 The North American Breeding Bird Survey, Analysis Results 1966 - 2022