The morning was frosty and the mist made the lagoons look like they were smoking. The geese were spectacular when they crowded into the lagoons, flying silhouetted against the mist. At about 08.15, on the Slurry Lagoon the Lapwings and Black-headed Gulls suddenly rose and flew out from the reedbeds. I looked but could see no raptor. Ten minutes later a crow gave its raptor mobbing call and there was a ringtail hen harrier, its white rump flashing as it dodged the crow. Two crows pursued the harrier aggressively and drove it off so that it left the site flying north-east, but it must have spent ten minutes in the reed bed before the crows started chasing it. There were still Skylarks trickling through with a couple of Meadow Pipits, and a flock of Siskins went over. Later three Grey Wagtails passed to the south and two Golden Plovers flew in, calling loudly. The two Pintail were still on the Slurry Lagoon and a female Golden-eye was on the Deep Pit. PS.