It’s a diverse family, with more than 500 swallowtail butterfly species fluttering over six continents. Most are tropical, but about 25 kinds are found regularly in the United States and Canada.

Swallowtails’ unique, tail-like hindwing extensions make them some of the world’s most beautiful and interesting butterflies. Unfortunately, many of these insects are also imperiled. The Center is ...

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 ...

Black and white stripes combined with a knobbly body make the caterpillar look remarkably like bird droppings. This unappetising outfit is a clever ploy to hide in plain sight, a trick used by ...