by T. Tsujizono
Onagadori is one of the Natural monument in Japan. It is same kind of cocks, and the place of origin is Kochi. Onagadori is known as a “Yokohama” all over the world because Onagadori was exported from Yokohama. It is called other Tyobikei and Nagaodori.
Onagadori was discovered in Edo period in Shikoku. It was one of the kind of cocks farmed by Riuemon Takechi who lived in Ohashimura in Tosa. One day, Riuemon found that one of the cocks had very long tail. That is a mutation where the feather doesn’t come off. Regular cock’s feather comes off once a year. That is very conspicuous, so Onagadori was sent to Edo government about that time. It is said that the Tosa clan concealed the Onagadori at first because the Onagadori had a very valuable, long tail.
Onagadori’s tail grows about 1 meter every year but it comes to grow slowly whenever aging. Onagadori’s tail length is about 7 meters. In Meji period, that length was about 3 meters but Tomebako was developed in Taisho period to let the tail grow longer. Tomebako is a device to control movement and stop tail damage. Today, the Guinness book of Records says longest tail is 10.6 meters.
The natural monument was specified on March 7, 1923, and Onagadori was specified by the special natural treasure on March 29, 1952. This is because of being specially recognized in worldwide or the nation assuming that value is especially high.
When coming to Kochi Prefecture, please see Onagadori by all means. A white, long tail has a beautiful, strong sense of existence. We should protect Onagadori.