Jim Chaffin couldn't believe his stroke of good luck a few years back when a mountain finch took up residence in a tree next to his Missoula home. "They're as rare as hen's teeth, incredibly rare," ...

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 ...

Nibbling an afternoon snack, “Little One,” a pine squirrel, sits on a ledge built for it by Chris Roberts. Roberts became knowledgeable about this particular breed of squirrel after raising one, and ...