Common blue butterflies (Polyommatus icarus) on a plant with their wings closed. Male uppersides are an iridescent lilac blue with a thin black border

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Common blue butterflies (Polyommatus icarus) on a plant with their wings closed. Male uppersides are an iridescent lilac blue with a thin black border. Females are usually brown with a row of red spots along the edges and some blue at the base of the wings. Photographed in the UK, in August.

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Size: 3407px × 5130px
Photo credit: © DR. JOHN BRACKENBURY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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