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  • Federal

    North American Breeding Bird Survey: Population trend and annual indices for ...

    Archived population trend estimates, based on data collected through the North American Breeding Bird Survey (BBS), for approximately 300 Canadian bird species. These archived estimates use data from Canadian BBS routes only, collected from 1970 through 2011. Trends are presented for species,...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • CSV
    • DOC
    • HTML
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