Tag Archives: North American bird population fell by quarter over 50 years: study

WASHINGTON: The number of birds in the United States and Canada has fallen by an astonishing 29 percent, or almost three billion, since 1970, scientists reported Thursday, saying their findings signaled a widespread ecological crisis. Grassland birds are the most affected, because of the disappearance of meadows and prairies and the extension of farmland, as well as the growing use …

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