A black form female on the blooms of a Buttonbush (Cephalanthus occidentalis).
Eastern Tiger swallotail butterfly feeding.
Swallowtails are North America’s largest butterflies, and their tropical relatives are the largest butterflies in the world. At this time of year, Tiger Swallowtails emerge from their chrysalises and seek nectar wherever they can find it, often in gardens. 175 more words