The Isle of Wight is famous for its Red Squirrels. These cute creatures have been wiped out in most other parts of the UK, apart from here, Brownsea Island (in Poole Harbour, Dorset), some parts of the north of England, parts of Wales and the Highlands of Scotland, due to habitat loss and, quite possibly, the introduction of the Grey Squirrel on which competition for food and also the lethal squirrel pox has been blamed.
Near me, the nature reserve at Alverstone Mead has a population of Red Squirrels which are easy to see due to their lack of fear of people (they get handouts!). This makes them comparatively easy to photograph, although you only need a wide angle lens because they come close...and I mean close, literally only a couple of feet away. The only problem is the darkness created by the wooded environment and the contrast caused by deep shade and bright light on a sunny day like today. I used my 6D with 100-400mm lens - which was overkill - and had to use ISOs in the thousands, hence some grain in the pictures. Next time, I'll use my 70-200mm f/2.8.