I observed Song Sparrows (Melospiza melodia) foraging for food on the ground at multiple locations last Thursday at Occoquan Bay National Wildlife Refuge. Most of the time they would fly away as I approached, but occasionally one of them would choose a new snow-covered perch that was still within range of my long telephoto zoom lens.
The two photos below are mostly monochromatic, composed primarily of various shades of brown and white. The warmth of the browns helps to warm up the photos a little, despite the abundance of snow. I think the photos would have felt cooler and more stark if I had converted them to black and white.
© Michael Q. Powell. All rights reserved.
Mike Powell 
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