Thank you all for your kind and encouraging comments.
I'm very pleasantly surprised at the level of interest in this thread - with 86 views and 10 replies so far today - and at the risk of becoming the site's Kingfisher bore (OK, don't tell me - I already am

) I'll try to post updates on at least a weekly basis.
I had a superb hour and a half's watching the pair again this afternoon and managed to get a whole sequence of half decent rapid-fire shots of the male passing a fish to the female followed by another bout of copulation which I also caught on camera - but I'll save those shots for my next report! Meanwhile, here's another shot (taken this afternoon) of the male bringing a fish for the female -
As they used to say at the end of the Flash Gordon films during the Saturday afternoon cinema matinees during the 1950s - .....stand by for next week's thrilling episode
Jeff