The Little stint reported on Twitter y’day [found by Matt Meehan], was still present this morning at high tide, until 13:00 at least, associating with Ringed Plovers. Telescope essential! Thx to the RSPB bods there at lunchtime for the look through their scope. Local patch tick 🙂
Glamorgan Bird Club 
Photos taken of this bird seem to suggest that it could well be an ad Semi-palmated Sandpiper. People going to check tomorrow.