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Federal
North American Breeding Bird Survey Dataset 1966 - 2023 recent views
Department of the Interior —
The 1966-2023 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
North American Breeding Bird Survey Dataset 1966 - 2021 recent views
Department of the Interior —
The 1966-2021 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
Mean annual population growth rate and ratio change in abundance of common raven within level II ecoregions of the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018. -
Federal
North American Breeding Bird Survey Dataset - Archival Releases of Datasets Ending With Years 2000 Through 2015 recent views
Department of the Interior —
This page includes legacy releases of North American Breeding Bird Survey (BBS) data for the periods beginning in 1966 and ending with the years 2000 through 2015.... -
Federal
Trend estimates of common raven populations in the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018,... -
Federal
North American Breeding Bird Survey Dataset 1966 - 2017, version 2017.0 recent views
Department of the Interior —
The 1966-2017 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
North American Breeding Bird Survey Dataset 1966 - 2018, version 2018.0 recent views
Department of the Interior —
The 1966-2018 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
North American Breeding Bird Survey Dataset 1966 - 2019 recent views
Department of the Interior —
The 1966-2019 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
Mean annual population growth rate and ratio change in abundance of common raven within level I ecoregions of the United States and Canada, 1966 - 2018 recent views
Department of the Interior —
These data identify the mean annual population growth rate and ratio change in abundance of common raven (Corvus corax; ravens) populations from 1966 through 2018. -
Federal
North American Breeding Bird Survey Dataset 1966 - 2016, version 2016.0 recent views
Department of the Interior —
The 1966-2016 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and... -
Federal
North American Breeding Bird Survey Dataset 1966 - 2022 recent views
Department of the Interior —
The 1966-2022 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and...