Swallowtail butterfly from the other butterfly families are: Swallowtail butterflies practice Batesian mimicry, a behavior in which the butterflies' appearance closely resemble that of distasteful species that prevents predation. Swallowtails differ from many animals that practice mimicry. The tiger swallowtail butterfly ("Papilio glaucus"), exhibits a female-limited polymorphism for Batesian mimicry and others, such as the Canadian tiger swallowtail ("Papilio canadensis") do not display any form of mimicry. Predators include the red-winged blackbird, Pennsylvania firefly, five-lined skink, green darner, goldenrod spider, Chinese mantis, fiery searcher, and striped skunk. Not all individuals in some species are identical in appearance. For example, "Papilio glaucus" (eastern
Comma The serial comma is also known as the Oxford comma, Harvard comma, or series comma. It is sometimes perceived as overly careful or an Americanism, but its usage occurs within both American and British English. It is called the Oxford comma because of its long history of use by Oxford University Press. Opinions among writers and editors differ on whether to use the serial comma. A majority of American style guides mandate use of the serial comma, including "The Chicago Manual of Style", Strunk and White's "The Elements of Style", and the "U.S. Government Printing Office Style Manual". The "AP