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

The gray squirrel’s appearance differs seasonally. The yellowish brown summer coat becomes thicker and gray in winter, the pelage of some individuals strikingly silver-gray. Underparts and eye-rings ...

I often enjoy the more common side of nature, the nature in our own backyards or neighborhood park that we see every day – for example, the eastern gray squirrel (Sciurus carolinensis).

A study published in the journal Pest Management Science sheds light on the behavior of gray squirrels (Sciurus carolinensis) and explores methods for the targeted delivery of oral contraceptives ...