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 ...

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 ...

Up and down the hallway, the lights were out in all the classrooms and laboratories, along with the refrigerators, air conditioning units and lab equipment. I guess I’d better go and get it. One of ...

OLYMPIA, Wash. (KOMO) — Western gray squirrels have been reclassified from threatened to endangered under Washington state's endangered species act, according to a vote by the Washington Fish and ...

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

The Western gray squirrel is the largest tree squirrel in the state. It’s being threatened by wildfires and habitat fragmentation. Courtesy of Jennifer Becar with the Washington Department of Fish and ...

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 ...

Squirrels and possums apparently think being king of the road means piling up the most roadkills for your species. Although possums ordinarily win the I-got-hit-by-a-big-truck award, squirrels seem 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 ...