Tobishima and Oshakujima islands

Country/territory: Japan

IBA criteria met: A4i, A4iii (2004)
For more information about IBA criteria, please click here

Area: 249 ha

Wild Bird Society of Japan
IBA conservation status
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2015 very unfavourable high low
For more information about IBA monitoring, please click here

Site description (2007 baseline)
Tobishima islet, located 39 km off the northwest of Sakata port on the Sea of Japan, is an islet with perimeters of around 12 km, composed of terrace plains, coastal lowlands, and abrasion platforms. It is warm due to the Tsushima Current that flows near the islets, Tobishima islet is covered with evergreen broadleaf trees such as Machilus tunbergii.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Tobishima and Oshakujima islands. Downloaded from on 04/12/2023.