15 Whooper Swans flew south, plus 4 skeins of  Pink-footed Geese, although only one skein of 30 could be seen in the densely foggy conditions which persisted all day.   Migrants on the dunes included 50 Blackbirds, 10 Redwings, 2 Fieldfares, 15 Robins, 10 Goldcrests, one Yellow-browed Warbler, 12 Siskins, 3 Long-tailed Tits, 2 Sparrowhawks and one Short-eared Owl.