The temperature is definitely dropping. A Black-throated Diver was drifting south offshore from 0930 to 0945hrs. Also offshore southbound 3 Red-throated Diver, 2 Shelduck, Red-breasted Merganser & Oyk plus northbound 19 Red-throats, 2 Gannet & Brent. Purple Sandpiper & Turnstone were along the riverbank in the usual spot on the seaward side of the cottage.