The male mallard, or drake, has a glowing iridescent sheen of green to the feathers of the head and blue on the wings.


The male mallard, or drake, has a glowing iridescent green sheen to the feathers of the head and blue on the wings. The gyroid structure of surface cells on the plumage result in light refraction producing the effect


Size: 5500px × 5468px
Location: Scarborough, UK
Photo credit: © Nick Greaves / Alamy / Afripics
License: Licensed
Model Released: No

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