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

It’s a diverse family, with more than 500 swallowtail butterfly species fluttering over six continents. Most are tropical, ...

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 ...

This unappetising outfit is a clever ploy to hide in plain sight, a trick used by multiple swallowtail butterflies. You'll have to look carefully to find them, but the tiny creatures can usually be ...

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 ...