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Silent lakes ahead? Long-term study finds common loon productivity is dropping across North America

情報源: Phys.org ·

The eerie call of the common loon has long been the sound of North America's northern lakes, but new research shows it may not be that way in the future. A new study led by Birds Canada analyzed breeding attempts across nine Canadian provinces and seven U.S. states. The researchers found a widespread, long-term plunge in loon chick production across their range.

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