The threatened and native bull trout (left) has been interbreeding with the invasive brook trout (right) causing some population challenges for restoration efforts. Courtesy of Rebecca Fritz, Burns ...

Competition from lake trout in Montana waters continues to cut into the population of native fish, but experts are optimistic that ongoing efforts will manage and potentially reverse the decline. Lake ...

Jan. 7—Hoping to preserve dwindling native bull trout populations, state wildlife officials are looking to remove lake trout from Swan Lake. "There's a sense of urgency to do something before it's too ...