So far, more than 500 volunteers in Montana, Idaho, Washington and Oregon have helped the team collect some 1,200 crayfish to ...
The newts live only in Oregon’s Crater Lake and their populations have crashed in recent years due to the expansion of introduced signal crayfish and warming lake temperatures from climate change.
An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas officials warn. Screengrab from Texas Parks and Wildlife video There ...