Out west, you’ll find the Western tiger swallowtail and the pale swallowtail. In some areas, females are black with tiger stripes only faintly visible in the bright sun. Pipevine swallowtails ...

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

Adults have four black parallel stripes at the top ... caterpillar facts you should know. Eastern, western and Canadian tiger swallowtail butterflies look almost identical, but the latter two ...