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Old 03-02-2012, 08:29 AM   #11
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Earthworms to Blame for Decline of Ovenbirds in Northern Midwest Forests
Feb. 29, 2012

Earthworms to blame for decline of ovenbirds in northern Midwest forests
excerpt from above:
A recent decline in ovenbirds (Seiurus aurocapilla), a ground-nesting migratory songbird, in forests in the northern Midwest United States is being linked by scientists to a seemingly unlikely culprit: earthworms.

A new survey conducted in Minnesota's Chippewa National Forest and Wisconsin's Chequamegon-Nicolet National Forest by a research team led by Scott Loss of the University of Minnesota and the Smithsonian Migratory Bird Center has revealed a direct link between the presence of invasive European earthworms (Lumbricus spp.) and...
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