The Hanau epe (also, hanau eepe: supposed to mean "Long-ears") were a semi-legendary people who are said to have lived in Easter Island, where they came into conflict with another people known as the Hanau momoko or "short-ears". A decisive battle occurred which led to the defeat and extermination of the Hanau epe. According to the legend, these events are supposed to have happened at some point between the 16th and 18th centuries, probably in the late 17th century.
The historical facts, if any, behind this story are disputed. Since the victorious "Hanau momoko" are usually assumed to be the surviving Polynesian population, there has been much speculation about the identity of the vanished Hanau epe. Various theories have been put forward, most notably Thor Heyerdahl's claim that they were ancient migrants from Peru who were the original occupants of the island and the creators of its famous stone monuments.
Heyerdahl's theories have not received much support among modern scholars, many of whom doubt whether the events described in the story ever took place. It has also been argued that the traditional designations of "long ears" and "short ears" derive from a misinterpretation of similar-sounding words meaning "stocky" and "slim" peoples.
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