Black, white and red bird.
No interactions present.
Definitely Great spotted woodpecker - to compare: Lesser-spot has barring on the back and wings, the facial markings are different and not usually any red under the tail - Lesser spot very small (House Sparrow size)
Great Spot - Lesser are much smaller. Plus this Great Spot is a female - no red on the nape of the neck.
White shoulder stripe also gives this away as great spot. Missing on lesser. Brilliant set of photos, well done!
Just go out there and do it!!!
Lat/Lng: 56.5, -3.6
OS grid ref: NO0443