La Cegua

La Cegua is attested in regional oral tradition rather than a single codified origin myth. Sources present her as part of a family of Mesoamerican cautionary female apparitions (variants named Sihuanaba/Siguanaba/Sihuehuet and related figures like Xtabay) that recur across countries such as Nicaragua, El Salvador, Guatemala and Mexico. The collected materials emphasize the tale form and social function—stories passed in communities to deter risky male behavior—rather than a singular creation narrative or a fixed cosmological genealogy. Specific localized versions vary, and the assembled sources do not provide a consistent origin account beyond her embeddedness in oral moral instruction across the region.

In the consistent motif reported across sources, La Cegua initially appears to a passerby as an alluring, long-haired woman—often described as very beautiful and commonly noticed from behind. When a victim approaches or follows, her true visage is revealed: accounts variously describe the face as that of a horse (sometimes specifically a horse skull) or alternately as a human skull. Modern retellings and contemporary cultural references sometimes emphasize the 'horse skull' image, but both horse-head and skeletal variants are recorded in the folkloric record. The dramatic transformation from feminine beauty (especially seen from behind) to a non-human or dead visage is the central visual hallmark.

Sources describe La Cegua primarily as a shapeshifting apparition whose salient behaviors are luring and exposing. She attracts certain men—notably those who are drunk or habitually womanizing—by appearing beautiful or by seeking their help, guides them along lonely roads at night, and then reveals her true face (horse head or skull). After the revelation the tale typically implies danger, harm, or death for the victim; the sources record the punitive, cautionary function more than detailed mechanics of assault or killing. The figure's power set in the cited materials is therefore limited to deceptive appearance, targeted luring, and the narrative consequence of dire outcomes for transgressing men.