email a friend
printable version
Location Japan, Okinawa
Central coordinates 128o 11.00' East  26o 41.00' North
IBA criteria A1, A2
Area 37,000 ha
Altitude 0 - 500m
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
Okinawa Rail Hypotaenidia okinawae resident  2004  present  A1, A2  Endangered 
Amami Woodcock Scolopax mira resident  2004  present  A1, A2  Vulnerable 
Treron formosae resident  2004  present  A2  Not Recognised 
Japanese Woodpigeon Columba janthina resident  2004  present  A2  Near Threatened 
Ryukyu Scops-owl Otus elegans resident  2004  present  A2  Near Threatened 
Okinawa Woodpecker Dendrocopos noguchii resident  2004  present  A1, A2  Critically Endangered 
Ryukyu Minivet Pericrocotus tegimae resident  2004  present  A2  Least Concern 
Ryukyu Robin Erithacus komadori resident  2004  present  A2  Near Threatened 

IBA Monitoring

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

Invasive & other problematic species, genes & diseases invasive non-native/alien species/diseases - unspecified species likely in long term (beyond 4 years) some of area/population (10-49%) no or imperceptible deterioration low

Little/none of site covered (<10%)  A management plan exists but it is out of date or not comprehensive  Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Okinawa Kaigan Quasi National Park 10,320 protected area contained by site 10,320  


IUCN habitat Habitat detail Extent (% of site)
Forest   -

Further web sources of information 

Alliance for Zero Extinction (AZE) species/site profile. This site has been identified as an AZE due to it containing a Critically Endangered or Endangered species with a limited range.

Contribute  Please click here to help BirdLife conserve the world's birds - your data for this IBA and others are vital for helping protect the environment.

Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Yambaru, northern Okinawa forest. Downloaded from on 23/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife