GRAND JUNCTION, Colo. (KJCT) - On May 2, Colorado Parks and Wildlife (CPW) publicly confirmed the presence of the invasive and aggressive rusty crawfish species in the West Fork Little Thompson River.

With this year’s theme, “Defending Our Health by Stopping the Spread,” NISAW 2026 highlights the undeniable link between ...

Invasive plant species can disrupt an ecosystem with a simple action, such as planting a single tree in a spot where it can thrive. A user on Reddit's r/invasivespecies recently spotted an invasive ...

Invasive fire ants, first arriving in the U.S. in 1918, have spread throughout the Southeast, causing problems for residents and farmers. Adding to the problem, red and black fire ants are ...

Snakehead fish are considered invasive in many regions outside their native habitat. Their aggressive behavior and rapid reproduction threaten local ecosystems. They are capable predators that disrupt ...

Miller, Amanda J., Page, Rachel A., and Bernal, Ximena E. 2018. "Exploratory behavior of a native anuran species with high invasive potential." Animal Cognition, 21 ...