Wisconsin Bird Conservation Initiative

A cooperative partnership to deliver the full spectrum of bird conservation emphasizing volunteer stewardship.

New study documents major declines in many bird species

Posted on Oct 2, 2019 by Ryan Brady   No Comments Yet

In less than a single lifetime, North America has lost more than one in four of its birds, according to a report in the world’s leading scientific journal.

Published in Science by researchers at seven institutions, the findings show that 2.9 billion breeding adult birds have been lost since 1970, including birds in every ecosystem.

The losses include iconic songsters such as Eastern and Western Meadowlarks (down by 139 million) and favorite birds at feeders, such as Dark-eyed Juncos (down by 168 million) and sweet-singing White-throated Sparrows (down by 93 million).

The disappearance of even common species indicates a general shift in our ecosystems’ ability to support basic birdlife, the scientists conclude.

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