'No, I couldn't possibly be sure. I know from experienced bird watchers who manage certain nature reserves that they both visit the same feeders at more or less the same time. These pictures weren't taken at a nature reserve but it is very similar, if not identical, in terms of habitat. The only...
I took these pictures today: County Durham, woodland/streams, just off the coast.
To me, this bird doesn't look as smart as the marsh tit, and there are some pale fringes on the wing feathers, added to that extended white cheek: possible Willow Tit?
Thanks in advance,