The United States is blessed with birds, a vast and richly varied population that changes considerably as the habitat changes from forest, to meadow, to marsh. As Thomas P. McElroy puts it in this unique birding guide, "Birds are everywhere .
The United States is blessed with birds, a vast and richly varied population that changes considerably as the habitat changes from forest, to meadow, to marsh. As Thomas P. McElroy puts it in this unique birding guide, "Birds are everywhere .