38 of mudflats and marshland being noted. Among them was the Redshank, whose call for me, wherever I am, conjures up a vision of the vast, flat emptiness of the Essex marshes. Terns and Shelduck were also present, with Reed and Sedge Warblers in the reedy sections of the dyke. Hares seemed to be everywhere and very observable. I also saw a stoat hunting on the sea wall, rushing across a path in front of me. Lapwings were noted in some of the fields. One was seen flying at a crow, I assume to protect its young. Whilst looking at some of the bumble bees visiting a big patch of Vetch on the side of a dyke (near the Marsh House outfall) I was surprised to see a male Harrier, lazily quartering a pea-field in search of prey. I think it was a Marsh Harrier, judging from its size. Its wing colours looked like this:—