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
S-comma this reason, almost all Romanian texts still use S-cedilla (or even S), despite the recommendation to migrate from cedilla to comma. The letter is placed in Unicode in the Latin Extended-B range, under "Additions for Romanian", as the "Latin capital letter S with comma below" (U+0218) and "Latin small letter s with comma below" (U+0219). In HTML these can be encoded by codice_1 and codice_2, respectively. S-comma S-comma () is a letter which is part of the Romanian alphabet, used to represent the sound , the voiceless postalveolar fricative (like "sh" in "shoe"). The letter was proposed in the "Buda