Papilio cresphontes, the giant swallowtail or in its larval phase the orange dog or orange puppy, is a swallowtail butterfly common in parts of North America and marginally into South America (Colombia and Venezuela only). In the United States and Canada it is mainly found in the south and east. With a wingspan of about 10–16 cm (3.9–6.3 in), it is the largest butterfly in Canada and the United States.