Marsh Harrier hunting over the mere between 9-10am causing usual panic. Flushed c30 Mallard, c25 Teal, 4 Shoveler, 3 Gadwall, 2 Shelduck and a Snipe. It hovered over the Canadas nest and later it sat out in the marsh eating something. 6 Whimbrel flew over in SW direction.
