invasive species

State funding supports weed control efforts to protect farms, habitat and water.

New World screwworm and Asian longhorned ticks threaten livestock as the Southwest faces megadrought, low snowpack, and declining Colorado River water levels.

Invasive zebra mussels have now infested at least 135 miles of the Colorado River, from the Utah border to Dotsero in western Colorado. And if these tiny pests flow into narrow irrigation pipes and tubes, they threaten to spoil the harvest of Colorado's sweetest crops.

The invasive annual grass is rapidly expanding across Wyoming, according to a new study, fueling wildfires and erasing native sagebrush habitat critical for wildlife.

With slashed property taxes, weed and pest managers seek stability for programs like trained dogs.

Invasive mussels cause billions of dollars in damage to water infrastructure annually and threaten aquatic ecosystems. Colorado Parks and Wildlife detected the larval stage of the zebra mussel in the Colorado River in New Castle in June— giving researchers a hint as to its origins in the basin.

Yellow sweet clover adds summer color to Four Corners roadsides—but it can pose a hidden risk to livestock if used in improperly dried hay.

Colorado Parks and Wildlife is stepping up its efforts to detect and prevent zebra mussels along the Colorado River, a species that threatens water systems and ecosystems.

Governor Polis signs the budget with temporary fixes, local events for National Hospital Week and Mancos construction, plus efforts against invasive species and Utah's collective bargaining referendum.

The presence of zebra-mussel veligers in the Upper Colorado River near Grand Junction has water managers concerned but not panicked.