I think this is a Redwing and seems to stay most of day in Hawthorns since the snow arrived. It sits on the same branch in neighbours garden and wall a lot of the time when not feeding so easy to know when there and happily feeding in my garden now too. I believe there are a few of them and the last picture is my Mistle thrush guarding the trees I think. He and the larger bird which I think might be Fieldfare were in the same tree yesterday together and how I noticed differences between colours on them. The Redwings and Fieldfare always arrive together.