North American bird populations pivotal to pest control and seed dispersion have decreased by 29% in the last 49 years

(Natural News) Fewer birds are crooning North America today. A recent study published in the journal Science found that the region’s bird populations declined in the last 49 years. Researchers from the United States and Canada joined forces to understand how bird populations changed across North America. They looked at existing data chronicling birdlife and found that common bird...

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