Credits
Image: Swallowtail by Jill.Factotum
Information sourced from:
Norfolk Wildlife Trust, Wildlife in Norfolk, Swallowtail Butterfly [online], Available from: https://www.norfolkwildlifetrust.org.uk/wildlife-in-norfolk/species-explorer/terrestrial-invertebrates/swallowtail-butterfly [accessed 28/05/2015].