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Location Japan, Okinawa
Central coordinates 123o 50.00' East  24o 20.00' North
IBA criteria A2, A4i
Area 58,345 ha
Altitude 0 - 526m
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
Grey-tailed Tattler Tringa brevipes passage  2004  present  A4i  Near Threatened 
Ruddy Turnstone Arenaria interpres winter  2004  present  A4i  Least Concern 
Roseate Tern Sterna dougallii breeding  2004  present  A4i  Least Concern 
Black-naped Tern Sterna sumatrana breeding  2004  present  A4i  Least Concern 
Bridled Tern Onychoprion anaethetus breeding  2004  present  A4i  Least Concern 
Treron formosae resident  2004  present  A2  Not Recognised 
Japanese Woodpigeon Columba janthina resident  2004  present  A2  Near Threatened 

IBA Monitoring

2010 medium not assessed negligible
Poor - based on little, or potentially unreliable/unrepresentative, data

Human intrusions and disturbance recreational activities happening now some of area/population (10-49%) slow but significant deterioration medium

Little/none of site covered (<10%)  Unknown  Unknown  negligible 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Iriomote National Park 12,506 protected area contained by site 12,506  
Iriomote National Wildlife Special Protected Area 3,841 protected area contained by site 3,841  
Iriomote Island Forest Ecosystem Reserve 11,585 protected area contained by site 11,585  
Nagura Ampuru Wetlands of International Importance (Ramsar) 157 protected area contained by site 157  


IUCN habitat Habitat detail Extent (% of site)
Forest   -
Wetlands (inland) Intertidal mud, sand or salt flats  -
Coastline Rock stacks and islands  -

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Yaeyama islands. Downloaded from on 24/10/2016

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