Western tiger swallowtail

The Western Tiger Swallowtail is a common swallowtail butterfly of western North America, frequently seen in urban parks and gardens as well as in rural woodlands and riparian areas. It is a large, brightly colored and active butterfly, rarely seen at rest; its wingspan is 7 to 10 cm (~2.75 to 4 in), and its wings are yellow with black stripes, and in addition it has blue and orange spots near its tail. It has the "tails" on the hind wings that are often found in swallowtails.