Wildlife of Britain

The Swallowtail Butterfly: Ecology, Life Cycle, and Conservation of Britain’s Largest Butterfly The Swallowtail Butterfly (Papilio machaon) is one of the most spectacular and distinctive butterflies found in the United Kingdom.  With its large wingspan, striking yellow and black markings, and elegant tail-like extensions on the hindwings, the Swallowtail is instantly recognisable and widely admired by naturalists and wildlife enthusiasts. Although the species occurs across much of Europe and Asia, the British population is geographically restricted and represents a unique ecological form associated with wetland habitats in eastern England.  In the UK, Swallowtails are found almost exclusively in the Norfolk Broads, where they depend on specialised plants and specific environmental conditions for survival. Due to its limited distribution and specialised habitat requirements, the Swallowtail has long been a symbol of conservation in Britain, highlighting the importance of wetlan...