Tennessean: Brook trout, the state’s only native trout, could disappear. Wood duck wouldn’t be found as often raising their young along waterways and in wetlands. Drying of prairie potholes and marshes to the north could mean fewer mallard, northern pin-tail, blue-winged teal and other ducks migrating to Tennessee in winter, resulting in shorter hunting seasons. These are among many possibilities that the Tennessee Wildlife Resources Agency lists in a new report showing that …