WHen I first saw this lovely moth, it was from this angle, and I took it for a Yellow-tail, as its tail looked yellow (as in this photo). It was only later I realised that it had a brown abdomen after all (the clean white wings should have been a giveaway).
I finally added Wood Sandpiper to my Peterborough area year list (now 177). Last year I failed to find one at all, but last night found one at Maxey, here shown with a Green Sandpiper and Lapwing (all digiscoped from considerable distance, but you get the gist).