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        The habitat afforded by the restored river       discussed in the sidebar, just a few of the birds  which can now be found along the Iowa
        valley naturally lends importance to birding     sighted in the BCA include American Bittern,    Valley Scenic Byway. The second otter
        along the Iowa Valley Scenic Byway.              American Coot, Bobolink, Cerulean Warblers,     reintroduction in Iowa––of 10 males and 10
        Declines in bird species counts across the       Cormorants, Great Blue Heron, Green             females––took place in 1986 at Otter Creek
        state prompted the Iowa DNR to define 15         Heron, Loggerhead Shrike, Northern Harrier,     Wildlife Management Area. Today, Iowa’s otter
        Bird Conservation Areas (BCAs). BCAs are         White Pelicans, and Willow Flycatchers. An      population is estimated at about 7,000, with
        expansive habitats that can maintain breeding    estimated one-half of Iowa’s nesting bird       some of the densest concentrations along the
        bird populations, typically at least 10,000      types can be found in the Iowa River Bird       IVSB. Trumpeter Swans also were introduced
        acres in size, which should include at least 25   Conservation Area.                             successfully in the Amana wetlands.
        percent high-quality habitat.
                                                        In addition to the numerous bird species that    After a 92-year-absense of nesting pairs in
        The Iowa River BCA was dedicated in 2004         populate the Corridor area, other wildlife is   the state, sandhill cranes successfully nested
        extending for 45 miles within the Byway and      also in abundance, including deer, fish, and    at Otter Creek WMA in 1992, producing two
        in areas slightly to the west. Approximately     small mammals. Several species on the           colts. Flocks of up to 25 sandhill cranes have
        24 percent of this 133,000-acre BCA is in        Iowa State special concern, threatened, or      been reported at Otter Creek WMA in recent
        permanent protection, including public lands     endangered species lists have been confirmed    years�
        and Wetland Reserve Program or Emergency         within the IVSB corridor, on both public and
        Wetland Reserve Program easements.               private lands�                                  Bison were reintroduced to the Corridor at
                                                                                                         the Meskwaki Settlement buffalo herd, the
        The wide variety of habitat types sets the      Some wildlife was extirpated in Iowa––mating     Dreesman Buffalo Ranch, and at the Northstar
        Iowa River area apart from other BCAs, since     or wild populations were eliminated due         Gameland Hunting Preserve. This latter
        it includes forest, wetland, grassland, and      to historic human activities. These include     preserve also maintains an elk herd.
        savanna. In addition to the rare bird species    otter, sandhill cranes, bison, and elk, all of
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