Butterfly populations are a very good indicator of the health of an area's ecosystem !!
The giant swallowtail is widely distributed throughout the American continent. Its range extends from southern New England across the northern Great Lakes states, into Ontario, through the southern portions of the Central Plains to the Rocky Mountains. The species ranges southward to Florida and the Caribbean, into the southwestern United States, and on through Mexico to Central and South America. The giant swallowtail is very common throughout the entire state of Florida. It is active throughout the year in southern Florida, and is common in northern Florida, except in January and February.
Adult giant swallowtails are large butterflies with a forewing span of 11.7 to 17.5 cm) (avg. 14 cm) for males and a span of 13.5 to 18.8 cm (avg. 14.7 cm) for females. The dorsal wing surfaces of the butterfly are black with a striking diagonal yellow bar across the forewings. The ventral wing surfaces are primarily yellow.