Grey squirrels are an invasive species and their release in Ireland has decimated the population of native reds.

Add Yahoo as a preferred source to see more of our stories on Google. A close-up of a gray squirrel on the forest floor holding a large acorn in its paws with soft sunlight in the background.© A-Z ...

New all-island efforts aim to halt the spread of damaging non-native species before they become permanent residents ...

A new project will consider all management options, including the possibility of eradicating grey squirrels from the region.

ARKLOW, Ireland -- Now, this is nuts. A photographer has captured a remarkable image of a red squirrel just before it attacks a grey squirrel for getting too close, British news agency South West News ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Gray squirrels in the U.K. may soon be given oral birth control ...

Problem-solving powers may help to explain why grey squirrels have taken over from native red squirrels in the UK, new research says. The study tested wild squirrels with an "easy" task (opening a ...

Across large parts of the UK, the native red squirrel has been replaced by the grey squirrel, a North American species. As well as endangering reds, grey squirrels pose a threat to our woodlands ...

For many years, we’ve been finding black walnut bits on the benches surrounding our campfire circle. I know where the walnuts come from and I know gray squirrels are eating them. Why squirrels like to ...

A close-up of a gray squirrel on the forest floor holding a large acorn in its paws with soft sunlight in the background.© A-Z Animals Here’s how gray squirrels and their scatter-hoarding behavior ...