Droppings. Not sure of length but about 10-15mm long.
Deer? If so is it possible to say which species.
No interactions present.
The droppings have a very obvious concave 'dimple' this is a distinguishing feature of reindeer, therefore they are reindeer.
No! before anyone thinks I've lost my mind or thinks Santa has been doing a dry run a month early the size rules out reindeer!
The size is also too small for red deer leaving fallow or roe deer. Fallow deer droppings are cylindrical, these are more rounded; therefore, they are roe deer - the very obvious dimple is unusual though, perhaps it was constipated!
Incidentally, the black, shiny appearance indicates these are fresh, no more than a couple of hours old.
If you add an identification for roe deer I'll agree to it.
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Lat/Lng: 53.03145, -2.00305
OS grid ref: SJ998482