Yet another month has flown by!   Today's seawatch lasted for an hour and a quarter and produced 10 Gannets, 23 Sandwich Terns, 9 Shelducks, 145 Common Scoters, one Tufted Duck and 4 Cormorants.   Coming in from the sea and turning mostly NW were 92 Common Swifts, 30 Swallows, House Martin and 4 Sand Martins.   Birds onshore included 52 Curlews, one Bar-tailed Godwit, 6 Oystercatchers, 7 Sanderlings and a Yellow-legged Gull.    The best birds on the dunes were 4 Yellow Wagtails, 2 Tree Sparrows, 6 Cuckoos, 6 Little Egrets, 4 Kestrels and a Grey Partridge.