Charles Mathieson has been in touch again to say that he has regularly been seeing at least one of the male Black Redstarts visiting his garden feeder over the last week or two.
He manged a short video-clip of one of them last week.
https://www.youtube.com/watch?v=N1wfweAyzd0
Might this species be visiting bird-feeders elsewhere in Pembs at the moment?