Think i spotted a Willow Tit
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This is a male Blackcap rather than a Willow Tit. The black cap on a Willow Tit is slightly more extensive and there is also a small black bib + a whitish cheek patch on this species.
Blackcaps are greyer uderneath than Willow Tit with the grey area on the back of the neck that can be seen in your photographs. They are now fairly common in the winter (although more common as a breeding summer visitor) and often come to bird tables.
....and it is too large to be a Willow Tit.
100% male Blackcap.
Many overwinter in gardens
Wild Flower Society member
Thanks for the identification i did look at a pic of a Blackcap but i wasn't sure.
Lat/Lng: 51.551995942958, 0.43987423181534
OS grid ref: TQ692864