He attributed their sightings to the irregular immigrations of this species. Before the large scale destruction of the eastern deciduous forests, gray squirrels were famous for their mass immigrations ...

Grey squirrels, while adorable to many as they scamper through gardens, are actually an invasive species that have ousted the native British red squirrels and can wreak havoc on homes and local ...

“Squirrels are remarkably good at what they do,” said John L. Koprowski, co-author of the book “North American Tree Squirrels ...

In the United Kingdom, gray squirrels are an exotic species, first introduced in the 1870s. While the gray squirrel population has grown to an estimated 2.7 million, native red squirrels have declined ...

This shapely deciduous tree is native ... squirrels and foxes. As an added bonus, the American hornbeam is a larval host for a number of butterfly species including the Striped hairstreak, Eastern ...