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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

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.

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

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

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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 23/12/2024.