Officials issue warning after destructive creatures are spotted in US region: 'Sightings occurring'

Officials fight back as harmful creatures spread into new US territory: 'This presents a distinct challenge'

Texas national parks are rolling out a new strategy to combat one of the state's most destructive invasive species: feral hogs. The National Park Service is piloting a management framework developed by Texas A&M researchers to help park staff monitor, control, and reduce hog populations.  A longstanding problem in the region, the creatures threaten ecosystems and cause expensive damage across the state, according to researchers. Feral hogs have …