Purple Emperor (Apatura iris) on oak tree.

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Purple Emperor (Apatura iris) feeding on oak sap. This is common practice for this elusive but magnificent butterfly. Photographed in Denmark.

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Size: 5007px × 3351px
Location: Tørskind Denmark Europe
Photo credit: © Lars S. Madsen / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, apatura, butterfly, elusive, emperor, fermentation, fermented, insect, iris, lepidoptera, nature, nymphalidae, oak, purple, sap, secretive, shy, tree