Story and photos by Sandy de Waal Malefyt It’s not easy to survive to adulthood in the wild. It would seem that the biggest and strongest get this achievement. Ironically, we can look at the delicate ...

Scientists know a lot about Eastern tiger swallowtail -- the state insect in five states -- but they hadn't managed to sequence their genome. Now, researchers have sequenced the complete genome of one ...

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. It's a rarity in the animal world, ...

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

The Appalachian tiger swallowtail butterfly is a rare breed: Some 100,000 years ago, two different species mated and their hybrid offspring gave rise to the Appalachian species, researchers have found ...

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