A near verbatim report from Colin again -

"During a High tide wildfowl count today a  Crossbill headed SE calling as I was watching Barn Owl at 12.50PM at the east end of the reserve; 2 Sandwich Terns heading up-river, 2 Marsh Harriers, 12 Kestrels (10 sitting on posts on NNR), Sparrowhawk, 11 Cormorants, 21 Mute Swans, 88 Canada Geese, 19 Greylags, 69 Teal, 60 Mallard, 135 Oystercatcher, 225 Dunlin, 45 Black-tailed Godwit, 1 Whimbrel, 75 Curlew, 22 Greenshank, 175 Redshank, 7 Common Terns, 6 Arctic Terns, 3 House Martin, 2 Sand Martin, 3 Yellow Wagtails, a Corn Bunting and 2 Raven. 

Butterflies included plenty of Meadow Browns, Gatekeepers, a few Common Blues, Small Tortoishell, Green-veined White and Peacock Butterflies and a Brown Hawker."

High Tide again tomorrow so well worth a visit.