Polecat Mustela putorius
Blackish guard hairs and yellow under fur on the body, giving ‘black and tan’ appearance; banded “bandit” face: pale muzzle, ear tips and ‘eyebrows,’ with a broad dark band around the eyes; darker legs and belly, short fluffy tail; is the size of a ferret. Image: Helen Haden (Flickr).
Find out more: The Mammal Society, Suffolk Wildlife Trust, iNaturalist