Wildlife of Britain

The Peacock Butterfly (Aglais io): A Distinctive and Resilient Butterfly of Britain The Peacock butterfly (Aglais io) is one of the most striking and widely recognised butterflies in the United Kingdom.  Known for the large, colourful “eye spots” on its wings, this species has fascinated naturalists and casual observers alike for centuries.  Its vivid coloration serves both aesthetic and biological purposes, functioning as a defensive mechanism against predators while also contributing to one of the most distinctive appearances among European butterflies. Widespread throughout England, Wales, Scotland, and much of Northern Ireland, the Peacock butterfly is commonly encountered in gardens, parks, woodland edges, and farmland margins.  It is also notable for its ability to hibernate as an adult, allowing it to emerge very early in the spring when few other butterflies are active. Despite its apparent abundance and adaptability, the Peacock butterfly forms part of complex ec...