Remains (mostly feathers) of a bird. Possibly a result of recent predation.
No interactions present.
It certainly looks like the bird has been predated.
As for the identity of the unfortunate 'victim', I can only suggest that it is some sort of corvid (crow). Quite a few of the feathers are still not properly grown, and are still in the quill, which makes it look like it is a juvenile that has very recently fledged (or had fallen from the nest). Despite the fact that some of the feathers apparently look white, I am not convinced that it is a Magpie (which should have some white visible on the wing feathers), it may be a Carrion Crow with some down feathers looking pale???
Looks like the quill shafts are intact which would suggest that they had been plucked out rather than chewed off
I agree with both Roy and Jules.
This would certainly appear to be a young corvid, but it is difficult to say what species in terms of size, from this photograph.
I would hazard a 'guess' that this is actually teh remains of a youngster taken from a nest, as many of the flight and tail feathers look a long way from being fully grown (less than you might expect in a fledgling)? The timing might indicate carrion crow, as they will have big young in the nest around this date, most young rooks are already fledged and jackdaws (in the north east at least) are still feeding young, at present. Good fun to speculate on this kind of shot.
I may be imagining things, but is that the bottom of a beak near the centre of the pic. If so, and its grey, would this indicate a juvenile rook?
This is such a neat kill site I think it must have been a sparrowhawk. If this was the only pile of feathers then the sparrowhawk either found it dead or made a clean, quick kill. I've watched them plucking live birds which escape, are caught, escape, are caught again . . . leaving a row of neat, circular piles of feathers.
Other birds of prey either carry the prey off to a favorite plucking point (merlin and peregrine) or just make a real mess (buzzard).
I agree this is likely to be a juvenile crow - yes it is your imagination Colin, juvenile rooks also have dark beaks.
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Lat/Lng: 54.0, -2.0
OS grid ref: SE0662