Keeping areas free of invasive species is a matter of vigilance and a project that can take several years. Invasive species — many states maintain a list that is updated regularly — impact the ...

However, when a non-native species is introduced to an ecosystem, it has the potential to become invasive: there are no natural predators or other guardrails keeping it from outcompeting the ...

Invasive species can displace native species through competition or transmit new diseases. At the same time, however, some of these non-native species are threatened with extinction in their ...

The U.S. Fish and Wildlife Service said Americans should hunt and cook nutrias, an invasive species found in marshy areas, to help curb their population. By Simon J. Levien The U.S. Fish and ...