The palm-sized tropical swallowtail moth has made a comeback in urban Singapore with a surge in sightings, after seven years. In 2014, there was a massive invasion of the giant moths, with at ...

Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly that evolved when two other species of swallowtails hybridized long ago.

The Eastern Tiger Swallowtail is one of our most common butterflies and is found east of the Mississippi River and west into the Great Plains states.

Swallowtails are among the most endangered and most traded groups of butterflies worldwide. They are included in Schedule I of the Indian Wildlife (Protection) Act 1972. 573 species of swallowtails ...

My favorite butterfly book, “Butterflies of the East Coast” by Rich Cech and Guy Tudor, says tails on a swallowtail’s wings “create directed airflows over the wings that enable extended ...

Giant swallowtails fly all year round in the South, but only occasionally come this far north.

The spicebush swallowtail and pipevine swallowtail - named for their host plants - are less common but definitely worth the effort. They look very similar - black butterflies with bluish-green ...