Winter Birds Of Qatar . Curlew : Sandpipers and allies (Scolopacidae) Around the whole UK coastline with the largest concentrations of found at Morecambe Bay, the Solway Firth, the Wash, and the Dee, Severn, Humber and Thames estuaries. Greatest breeding numbers are found in N Wales, the Pennines, the southern uplands and E Highlands of Scotland and the Northern Isles.