Some migrants are now starting to show, not least large numbers of Sand Martins frequenting the newer section of the Sewage Works.
The low level of activity around the tanks has given them a resting place undisturbed in the roadways and more importantly is also providing a great insect food source.
Much is down to Thames Water not cutting and leaving large areas to grow naturally, it pulls in massive amounts of insects not surprisingly; I have had good numbers of Dragons and Butterflies here as well.
On the above date there was around 150 Sand Martins, 10 House Martins and 3 Swifts fuelling up/resting in preparation for the long journey to Africa soon.
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