Bird Studies Canada reports on Why Christmas Bird Count Milestones Matter for Birds
a recent article in the journal Science on research that used data from Citizen Science programs, including the CBC, to estimate trends in bird populations. The results suggest that the size of North America’s bird population has decreased by nearly three billion birds compared to only 50 years ago! Although this news is frightening, the birds would have been worse off had these changes not been documented.
Read more at Why Christmas Bird Count Milestones Matter for Birds
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