I like how fog seems to suck the color out of the atmosphere. Early in the morning, this heron stood out against the stark gray sky as the son was coming up.

Canon 70D
ISO-200
f/6.3
600mm
-0.7 ev
1/8000 sec exposure (In Aperture priority, the shutter speed is set automatically. Against the bright sky, the shutter speed adjusted for the light level. This contributed to the 'silhouette' style.