Terrible pictures, sorry, but a dumpy black water bird with red bill. Smaller than a duck.
No interactions present.
Lat/Lng: 53.7189, -2.6636
OS grid ref: SD563249
Bird was seen on a small lake off the Stag Lane car park of Cuerden Valley Park (nature reserve), Bamber Bridge, Lancs. Weather: fine, cool, dry afternoon following earlier broken cloud and heavy showers.