Mukojima islands

Country/territory: Japan

IBA Criteria met: A1, A2 (2004)
For more information about IBA criteria please click here

Area: 586 ha

Protection status:

Wild Bird Society of Japan
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2015 high not assessed low
For more information about IBA monitoring please click here

Site description
Mukojimaretto islets located in the north of Ogasawaragunto chain islands on the Pacific Ocean which are about 900-1,100 km south of Tokyo metropolitan area, consist of Kitanoshima, Mukojima, Nakoudojima, Yomejima and other islets. The largest Mukojima is about 2.57 km2, and the highest point is at Nakoudojima which is about 155m high. They are small and flat islets. Most forests have been lost to vegetation destruction caused by feral goats, and resulted in erosion. Since the latter half of 1990s feral goats have been exterminated, but there are still some goats that remain on the island. A vegetation recovery project has progressed at the remaining forests.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Mukojima islands. Downloaded from on 11/08/2020.