Along the river, Sand Martin were inspecting their nest-sites.
A couple of Swallow were in the area and three House Martin flew through.
The Marsh was alive with birdsong. Sedge Warbler, Whitethroat and Blackcap have all arrived.
The Waterworks held a late Redwing, a Peregrine flew low over with a Sparrowhawk there. A couple of Reed Warbler were singing from Bed 15, with a Willow Warbler heard close to the entrance.