It lifts the spirit to see the dynamic aerial displays of the large swallowtail species that come here, such as common yellow swallowtails (Papilio machaon), red helens (Papilio helenus), spangles ...

It is also the only place in the UK to see swallowtail butterflies – and the only place in the world to see the subspecies Papilio machaon brittanicus. Other rare wildlife found here include the ...