In a new study, scientists pulled from a 35-year dataset to examine long-term population trends of the federally endangered ...

That's especially bad news for Florida, the state known for its ... If you spot any lime swallowtail butterflies in your yard ...

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 ...

Unfortunately, many of these insects are also imperiled. The Center is determined to gain protection for five of the rarest foreign swallowtail butterfly species on three continents. In 1994, a Center ...