Stopped off at my old patch of Grafham Water, Cambridgeshire, on the way to the in-laws for Christmas. With some gen from old mate Mark Hawkes, I gently encouraged the family to take a wander down the dam. Fifty Goldneyes were loafing off Marlow CP and after we'd reached the water tower, the reptilean form of a Great Northern Diver hove into view. It was casually feeding, whilst drifting closer across the glassy surface of the reservoir. I only had my bins and phone, so this was the best I could do in terms of recording a bit of video. A nice early Christmas present!