Enjoy these fascinating swallowtail butterfly facts. A female black swallowtail can lay up to 400 eggs in her short life.

Site manager Tim Strudwick said people come from around the UK to see the "separate subspecies of swallowtail". Shaun Whitmore/BBC Butterfly enthusiasts know they are only likely to see ...

Here, RSPB volunteer Jenna explains why the magnificent Swallowtail butterfly is so special. Sophie Okonedo and Mark Rylance star in the first of Steve Waters’s seasonal dramas following the ...