Northern Ireland's red squirrels have suffered hard times in recent years, after being ousted from their native homeland by their invasive grey counterparts. But the beleaguered reds now appear to be ...

The North American gray squirrel was introduced to Britain in the 19th century, and today it has become one of the country’s most successful invasive species. Larger and more adaptable than the native ...

The Government is supporting research to develop “the pill” for grey squirrels to curb the damage the rodents do to woodlands and their native red cousins. Officials also said they would be monitoring ...

The return of the formerly ostracized pine marten to Scotland is helping native red squirrels regain ground from their invasive grey cousins. In the late 1800s, wealthy Victorians shipped North ...