Born inside a hollow tree in mid-April, two pine martens were born vulnerable and dependent on their mother. By the end of the summer, these kits were venturing out on their own. - [Narrator] Inside a ...

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 ...

Pine martens once lived throughout the woodlands of southwest England. But more than a century ago, the small, weasel-like creatures disappeared from the region, largely due to habitat loss and ...