'Incredibly intelligent, highly elusive': US faces new threat from Canadian 'super pig'

Northern states on alert for invasion of cross-bred pig that threatens flora and fauna - and is difficult to stopFor decades, wild pigs have been antagonizing flora and fauna in the US: gobbling up crops, spreading disease, and even killing deer and elk.Now, as fears over the potential of the pig impact in the US grow, North America is also facing a new swine-related threat, as a Canadian "super pig", a giant, "incredibly intelligent, highly elusive" beast capable of surviving cold climates by tunneling under snow, is poised to infiltrate the north of the country. Continue reading...