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Location Japan, Tokyo
Central coordinates 139o 16.00' East  34o 22.00' North
IBA criteria A1, A2, A4ii
Area 2,686 ha
Altitude 0 - 432m
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
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 

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 2,686  

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: Niijima and Shikinejima Islands. Downloaded from http://www.birdlife.org on 20/12/2014

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