Swallowtail butterfly black swallowtail is the state butterfly of Oklahoma. Swallowtail butterfly Swallowtail butterflies are large, colorful butterflies in the family Papilionidae, and include over 550 species. Though the majority are tropical, members of the family inhabit every continent except Antarctica. The family includes the largest butterflies in the world, the birdwing butterflies of the genus "Ornithoptera". Swallowtails have a number of distinctive features; for example, the papilionid caterpillar bears a repugnatorial organ called the osmeterium on its prothorax. The osmeterium normally remains hidden, but when threatened, the larva turns it outward through a transverse dorsal groove by inflating it with fluid.
Swallowtail Lighthouse Museum since 1980, was returned to the site, where it is displayed on a new wooden deck near the keeper's house. The Swallowtail Keepers Society took over the lighthouse property in July 2013. Later that year, federal, provincial and municipal government grants and community fundraising resulted in over $200,000 "to build a boardwalk, improve the footbridge, produce marketing materials and cover project administrative costs at the iconic lighthouse". Swallowtail Lighthouse The Swallowtail Lighthouse is a Canadian lighthouse located on Grand Manan Island in the Bay of Fundy. It was the first lighthouse to be built on the island. It was