A look at environmental decay and preservation--illuminated by the story of the declining songbird populations Each spring, millions of songbirds and migratory birds leave the rain forests of Central America for the foothills of the Appalachians, the Great Lakes, New England, and the edge of the Rockies. Traveling in mixed flocks of several hundred thousand, they fly virtually non-stop to their summer destinations. These migrations are one of the...
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Nature