ratu kingA rat king is a collection of rats or mice whose tails are intertwined and bound together in some way. This could be a result of an entangling material like hair, a sticky substance such as sap or gum, or the tails being tied together. A similar phenomenon with squirrels has been observed, which has had modern documented examples.In the darkest, weirdest corners of folklore, a phenomenon known as the ‘rat king’ emerges. It is a fascinatingly disturbing creature composed of many squealing, wgling rats held together by a bunch of tangled tails.