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Location Japan, Tokyo
Central coordinates 139o 9.00' East  34o 13.00' North
IBA criteria A1, A2, A4ii
Area 1,848 ha
Altitude 0 - 574m
Year of IBA assessment 2004

Wild Bird Society of Japan



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Tristram's Storm-petrel Hydrobates tristrami passage  2004  present  A4ii  Near Threatened 
Japanese Murrelet Synthliboramphus wumizusume breeding  2004  present  A1, A4ii  Vulnerable 
Japanese Woodpigeon Columba janthina resident  2004  present  A2  Near Threatened 
Pleske's Grasshopper-warbler Locustella pleskei breeding  2004  present  A1  Vulnerable 
Izu Leaf-warbler Phylloscopus ijimae breeding  2004  present  A1, A2  Vulnerable 
Izu Thrush Turdus celaenops resident  2004  present  A1, A2  Vulnerable 

IBA Monitoring

2010 low not assessed low
unset
Unknown

Whole area of site (>90%) covered by appropriate conservation designation  A management plan exists but it is out of date or not comprehensive  Unknown  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Fuji-Hakone-Izu National Park 122,690 protected area contains site 1,848  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest   -
Coastline Rock stacks and islands  -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Kozushima island. Downloaded from http://www.birdlife.org on 27/11/2014

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