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.

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 ...

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 ...

image: The number of red squirrels is on the increase in Ireland thanks to the return of the pine marten, a native carnivore, a new survey led by NUI Galway has found. view more The number of red ...

Red squirrels are enjoying a nutty revival thanks to a stealthy forest assassin which is gobbling up their grey cousins. Pine martens are stoat-like hunters which petrify the native bushy-tailed ...

For as long as modern humans have been moving around the planet, we’ve been bringing animals, plants and microorganisms with us. But by introducing invasive species to ecosystems in which they did not ...

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 ...

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 ...