State wildlife officials report that non-native brown trout have been detected in the Flathead River upstream of Evergreen.

BOZEMAN, Mont. (AP) - A federal judge has ruled the westslope cutthroat trout does not merit the protection of the Endangered Species Act, likely ending environmental groups' decade-long effort to ...

Brown trout can harm native trout species, such as bull trout and westslope cutthroat, by outcompeting them for resources and ...