Flock of 26 Whimbrel N over the barrage at 07:20, also 2 ‘flava’ Wagtails E and 2 Wheatear on the grass. Several hundred Sand Martin and 30+ Swift feeding over the Bay with a few Swallow and House Martin mixed in at 08:00. On the barrage rocks 3 Common Sand with another 3 on the banks of the Ely along John Batchelor Way.