The red squirrel’s appearance varies seasonally. The paler, reddish to olive gray coat of summer includes a black line along each side, and creamy white or buffy underparts. In the winter, reddish ...

Grey squirrels can actually come in black morphs, which are doing well in one US city because they're less likely to become ...

Worryingly low levels of genetic diversity make Scotland’s red squirrels especially vulnerable to disease, a study has shown. Researchers at the University of Edinburgh said this could explain ...

Disjunct populations occur in the Black Hills and Appalachians ... The northern flying squirrel eats relatively more fungi, which it collects above ground, excavates from the soil, and pilfers from ...