Feral

According to an expert, the wild pigs are “the most successful invasive large mammal on the planet" with no natural predators to keep them in check.

A small island off the coast of Nova Scotia and Newfoundland has just become the target of a feral cat rescue operation.

Christine Rollins, a 59-year-old careworker from Texas, was killed following a "very rare" attack from a pack of feral hogs in the early hours of Sunday.