Ducks Unlimited

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This photo taken Dec. 17, 2013, shows a section of Erie Marsh, where The Nature Conservancy and Ducks Unlimited are teaming up to regulate water levels, enhance fish passage and remove invasive plants to make the wetland more hospitable to wildlife. A recent federal report found that the Great Lakes region was the only area of the nation that gained wetland acreage during a five-year period, partly because of similar restoration projects. (AP Photo/John Flesher)