swallowtail butterfly

The body of a swallowtail butterfly is typically thin and elongated, and they have large, compound eyes. The wingspan of a swallowtail butterfly can range from 5 – 15 centimeters (2 to 6 inches). Swallowtails weigh between 0.04 – 0.3 grams (0.0014 – 0.0105 ounces).