JP167
Senkaku islands


IBA Justification

The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:
Species Red List Season (year[s] of estimate) Size IBA criteria
Black-footed Albatross Phoebastria nigripes NT breeding (2003) present A1, A4ii
Short-tailed Albatross Phoebastria albatrus VU breeding (2001) min 81 birds A1, A4ii
Brown Booby Sula leucogaster LC breeding (2003) present A4ii
Greater Crested Tern Thalasseus bergii LC breeding (1991) min 369 birds A4i

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2015) is shown below.

IBA conservation assessment
Year of assessment State Pressure Response
2015 not assessed high very low
Whole site assessed? State assessed by Accuracy of information
yes unset -

Pressure (threats to the trigger species and/or their habitats)
Threat Timing Scope Severity Result
Invasive and other problematic species and genes happe­ning now most of popul­ation/area (50–90%) moderate decline (10–30% over 3 gener­ations) high
Pollution happe­ning now most of popul­ation/area (50–90%) moderate decline (10–30% over 3 gener­ations) high

Response (conservation actions taken for the trigger species and/or their habitats)
Designation Planning Action Result
Little/none of area covered (<10%) No management planning has taken place Very little or no conservation action taking place very low

Habitats

Habitat % of IBA Habitat detail
Forest -
Grassland -
Marine Coastal/Supratidal -


Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Senkaku islands (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/senkaku-islands-iba-japan on 07/12/2024.