black, white and red bird about 50cm tall
No interactions present.
Size is one of those things that is extremely difficult to judge in the field, without some point of reference.
A length of around 25cm (bill tip to tail tip) around 10inches is nearer the mark for a great spotted woodpecker.
Lat/Lng: 51.558825523928, -1.8342601507902
OS grid ref: SU115844