Canada’s ‘super pigs’ threatening to invade northern U.S. states
An exploding population of hard-to-eradicate “super pigs” in Canada is threatening to spill south of the border, and northern states are taking steps to stop the invasion.
An exploding population of hard-to-eradicate “super pigs” in Canada is threatening to spill south of the border, and northern states are taking steps to stop the invasion.
