Wyoming Officials Plan to Kill off Nonnative Trout in StreamThe process would repeated in 2021.Associated Press
Grand Teton: 36 Mountain Goats Killed in Helicopter ShootingWyoming officials including Gov. Mark Gordon oppose the helicopter gunning.Associated Press
Grand Teton Park to Begin Killing Invasive Mountain GoatsPark officials plan to close the area to the public next week.Associated Press
Wyoming Governor Launches Program to Fight Invasive PlantsThe teams in the project will develop recommendations for a large-scale strategy to manage invasive species.Tom Morton
Casper Volunteers Pick Up Trash, Dig Out Bad Trees for Platte River RevivalThe volunteer day is one of the rehabilitation efforts along the 13 miles of the North Platte River that runs through Casper.Tom Morton
Wyoming Intercepts Boat With Suspected Invasive MusselsThe boat from Canada was last in the water on the St. Lawrence River two years ago.Associated Press
Aerial Spraying for Cheatgrass Proposed in Wyoming ForestCheatgrass currently grows on about 40 square miles of the forest and is spreading at a rate of about 20 percent a year.Associated Press
Yellowstone National Park Uses Fish Poison To Remove Non-Native TroutThe historic stocking of nonnative fish nearly eliminated westslope cutthroat trout and fluvial arctic grayling from Yellowstone.Tom Morton
Losing the Battle to Save Wyoming SagebrushThat could mean more giant rangeland wildfires that in recent decades destroyed vast areas of sagebrush country that support some 350 species of wildlife, including imperiled sage grouse.Associated Press
Invasive Species Are Focus of Yellowstone, Wyoming OfficialsStarting this year, only rubber boots will be allowed in Yellowstone because felt sole boots are virtually impossible to cleanse of mussels.Associated Press