UNITED STATES — Bird populations across North America are continuing to plummet, according to a new study that reveals widespread declines across various habitats. The findings paint a troubling picture for avian biodiversity and ecosystem health in the United States.
Researchers found that many species, including once-common backyard birds, are experiencing sharp population decreases due to habitat loss, climate change, and environmental degradation. Grassland birds, shorebirds, and migratory songbirds are among the most affected, with some species losing over 50% of their populations in recent decades.
The new research builds on previous studies that estimated North America has lost nearly 3 billion birds since 1970. Scientists say these new insights help pinpoint where the most severe losses are occurring, which could guide urgent conservation efforts.
“Birds are indicators of environmental health,” the study’s lead author said. “When their populations drop, it signals broader problems in the ecosystems we all rely on.”
Conservationists are calling for stronger environmental protections, sustainable land management, and immediate action to reverse the downward trend.
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