What ecological pressure does the native Eurasian red squirrel (*S. vulgaris*) face in the UK?

Answer

Competition and squirrel pox virus carried by the introduced Eastern gray squirrel (*Sciurus carolinensis*)

In the UK, the native Eurasian red squirrel faces significant pressure from the introduced Eastern gray squirrel (*Sciurus carolinensis*), which outcompetes it for resources and transmits the squirrel pox virus.

What ecological pressure does the native Eurasian red squirrel (*S. vulgaris*) face in the UK?
taxonomyanimalclassificationsquirrel