This image was created from a fixed public viewing hide at Martin Mere 'Wildfowl and Wetlands Trust' at last light on cold day in February.
Canon 7D, Sigma 500 f4.5 hand held.
ISO1600, f6.3, 1/1250 sec.
Levels , saturation and sharpening applied. Small crop applied. I forgot to level the image when crop made.