The Fox Squirrel, Sciurus Niger, is the largest species of tree squirrel native to N. The most common Squirrel in my area by far. There ins't a thing you can do about them. They're tenacious survivors.
Early morning, in the walk through red squirrel (Sciurus vulgaris) enclosure, at the British Wildlife Centre. The arrival of visitors ensures that the squirrels get a good workout; here, the squirrel stretches towards an unseen.