Where Canada’s ‘super pigs’ are most likely to invade the US — and potentially cause millions of dollars in damage

… , and could withstand cold Canadian winters.
But when the … crop damage, risks to native species, and disease transmission … about anything, preying on native species like frogs and … colder temperatures.
If the Canadian super pigs can establish populations …… , and could withstand cold Canadian winters.
But when the … crop damage, risks to native species, and disease transmission … about anything, preying on native species like frogs and … colder temperatures.
If the Canadian super pigs can establish populations …