Pied wagtail
Juvenile grey wagtail (note short tail)
The Filter Beds are full of bird activity at the moment, particularly from those aerial species that feast on insects. This is a bumper year for mayflies and you may have seen them on the pavements around the town centre, or if you live near the river finding that they come to grief on windows. 

Wagtails, martins and swifts and even the occasional swallow, can be seen hoovering up the biomass of insects generated from the water bodies. This includes thousands of damselflies and if you look carefully you can see them perching on stands of grasses.


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