Female spirits of the Quechua and Aymara of Bolivia. They fly about at and night and catch people with their pendulous breasts.
- Leach, Maria, ed. (1984). Funk & Wagnalls Standard Dictionary of Folklore, Mythology, and Legend. New York: HarperCollins.
- Rose, Carol. (1998). Spirits, Fairies, Leprechauns, and Goblins: An Encyclopedia. New York: W.W. Norton & Company, Inc.