We are not sending our best. Enjoy! Feral hogs headed for US from Canada; wildlife officials warn of widespread damage An underreported threat along America's northern border has U.S. officials and local residents warning of widespread damage due to the reckless invaders: Feral hogs from Canada. At least eight pigs have been spotted in Canada, just above the border with Lincoln County, Montana, according to officials. Wildlife Services, the Montana Invasive Species Council, the National Feral Swine Program and the Montana Fish, Wildlife and Parks department say the pigs could cause significant damage.