The bird’s wing acts as a diffraction grating – a surface structure with a repeating pattern of ridges or slits.
The structure causes the incoming light rays to spread out, bend and split into spectral colours, producing this shimmering rainbow effect, captured here by Victor.
Russia
Victor started out as a wildlife photographer at 50 years old. He enjoys travelling to various Russian regions and believes Kalmykia to be one of the most interesting places to photograph. He is a board member of the Russian Union of Wildlife Photographers.
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