Kanmurijima and Kutsujima islets

IBA Criteria

Year of most recent IBA criteria assessment: 2004

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Japanese Woodpigeon Columba janthina NT resident 2004 present A2
Swinhoe's Storm-petrel Hydrobates monorhis NT resident 2004 present A4ii
Streaked Shearwater Calonectris leucomelas NT breeding 2004 present A4ii
Japanese Murrelet Synthliboramphus wumizusume VU resident 2004 present A1
A4iii Species group - seabirds n/a breeding 2004 min 10,000 breeding pairs A4iii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 low not assessed low
Was the whole site covered? Yes State assessed by unset
Accuracy of information poor

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
No known threats no known threats happening now whole area/population (>90%) no or imperceptible deterioration low

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Whole area of site (>90%) covered by appropriate conservation designation Unknown Unknown low
For more information about IBA monitoring please click here

IBA Protection

Protection status:

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Wakasawan 国定公園 19,195 protected area contains site 0
Kanmurijima-Kutsujima 国指定鳥獣保護区 1,300 protected area contains site 0
Kanmurijima kutsujima 都道府県指定鳥獣保護区 515 protected area contains site 0
Kanmurigatake 都道府県指定鳥獣保護区 480 protected area contains site 471
Common fishery right area(Kyoto) 共同漁業権区域 21,720 protected area overlaps with site 0


IUCN Habitat Habitat detail Extent (% of site)
Coastline Sea cliffs and rocky shores, Rock stacks and islands -
For further information about the habitat classification please click here.

Recommended citation
BirdLife International (2020) Important Bird Areas factsheet: Kanmurijima and Kutsujima islets. Downloaded from on 03/12/2020.