Trips to Montana in early October can mean a possibility of cold and snow. But then again, an October trip to Montana means a chance to see the autumn colors and wildlife, and an opportunity to fish for spawning brown and rainbow trout. My wife Terri and I made the…

National Geographic has a troubling article on how one fish has, and is, changing the ecology of Yellowstone National Park (YNP). The introduction of lake trout into Yellowstone Lake has led to the demise of the native cutthroat trout (see photo above). That in turn has led to a cascading…