The giant swallowtail is the largest swallowtail butterfly in the U.S., with a wingspan ... Most kinds live in the mountains of Asia and Europe. But five species are found in western North America ...

A research team has identified a new species of tiger swallowtail butterfly living in eastern parts of North America. In their study, published in the journal ZooKeys, Julian Dupuis, B.

A Michigan House bill aims to designate the black swallowtail butterfly as the official state butterfly, highlighting its prevalence and beauty.