Adults weigh 454-681 g (1-1.5 lb). The deciduous forests of the eastern half of North America provide optimum habitat for the gray squirrel, but the range includes portions of the mixed forest in ...

The site, which has already yielded an impressive range of prehistoric creatures ... 4 kg—three times heavier than today’s typical gray squirrels—once roamed North America.

OLYMPIA, Wash.— The Washington Fish and Wildlife Commission today voted to uplist western gray squirrels from threatened to endangered under the state’s endangered species act. Population estimates ...

The last time a wild red squirrel was spotted in Cornwall was in 1984; most of Britain’s 140,000 are in Scotland, but there are also pockets in the north of England, Wales and on the Isle of Wight. By ...

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 ...