Add Yahoo as a preferred source to see more of our stories on Google. For as long as modern humans have been moving around the planet, we’ve been bringing animals, plants and microorganisms with us.

AMHERST, Mass. - For many years, populations of a little red squirrel with cute ear tufts, a native of Great Britain, Ireland and Europe, have been in serious decline because of competition for food ...

The recovery of pine marten in Ireland and Britain is reversing native red squirrel replacement by invasive grey squirrels, according to new research presented at the British Ecological Society's ...

For many years, populations of a little red squirrel with cute ear tufts, a native of Great Britain, Ireland and Europe, have been in serious decline because of competition for food from an invasive ...

The government is supporting research into a contraceptive "pill" for grey squirrels to curb the damage these rodents inflict on Britain's woodlands and its native red squirrel population. This forms ...

Pine martens are returning to areas of the UK after an absence of nearly a century. Following releases in mid-Wales during 2015, reintroductions are proposed in north Wales and southern England for ...

March 7 (UPI) --Conservationists and ecologists have been searching for ways to control the growth of gray squirrel populations across the British Isles. New research suggests they're getting some ...

A recent study finds that European pine martens are helping conservation of the declining Eurasian red squirrel in Scotland by reducing the numbers of invasive eastern gray squirrels. For mysterious ...

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 ...

The recovery of pine marten in Ireland and Britain is reversing native red squirrel replacement by invasive grey squirrels, according to new research. The recovery of pine marten in Ireland and ...

Add Yahoo as a preferred source to see more of our stories on Google. The government is supporting research into a contraceptive "pill" for grey squirrels to curb the damage these rodents inflict on ...