Today i spend the day with roy weller doing some birding at crayford marsh and this is what we found. 2 marsh harrier one of which flew straight over going sw at 1.55,common buzzard, peregrine,hobby,avocet,turnstone,5 whimbrel,2 greenshank,ringed plover,curlew,2 oystercatcher,11 common sandpiper,2 little egret,3 tufted duck,great-c-grebe,3 yellow legged gulls.