The Wisconsin Loon Project is the largest and longest-running study of loons in the world. The annual study has been ongoing since 1993. New study suggests poor water clarity to blame By Eileen Persike Editor ONEIDA COUNTY – A study published last week in the journal Ecology, connects water clarity in northern Wisconsin to survival and reproduction of the common loon. The clearer the water, the better for one of the Northwoods’ most treasured birds. A recent study suggested climate change could... Read this story