Misty damp morning. 8+ Chiffchaffs, 2 singing Cirl Buntings, Stonechat nesting. Single Great Crested Grebe still on sea.On the marsh 4 Gadwall (2 pairs) and 2 Shelduck. The surprise however was a mechanical digger on the rear of marsh, appears NT are excavating a pool at the side where the stream enters.