North American Bird Populations Are Collapsing in Places They Once Thrived: Study

North American Bird Populations Are Collapsing in Places They Once Thrived: Study

North American bird populations are plummeting, especially in drylands, grasslands and the Arctic where they have historically been most abundant, new research has found. The analysis of almost 500 species of North American birds indicates that three out of four species are suffering declines across their ranges, with two in three shrinking significantly. “We’re not […]

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