Aogashima island

Country/territory: Japan

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

Area: 597 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 negligible
For more information about IBA monitoring please click here

Site description
Aogashima island, which is located 67 km south of Hachijojima, is an oval islet with an area of 5.98 km2 and the circumference of 9 km. It is a typical double volcano with a caldera, and abrasion cliffs at a height of 50 m to 200 m can be seen along the coast.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Aogashima island. Downloaded from on 30/10/2020.