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The site was identified as important 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 List1	Season	Year(s)	Size	IBA criteria
Black-footed Albatross Phoebastria nigripes	NT	breeding	2003	present	A1, A4ii
Short-tailed Albatross Phoebastria albatrus	VU	breeding	2001	min 81 individuals	A1, A4ii
Brown Booby Sula leucogaster	LC	breeding	2003	present	A4ii
Greater Crested Tern Thalasseus bergii	LC	breeding	1991	min 369 individuals	A4i

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2004) may differ.

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	majority/most of area/population (50-90%)	moderate to rapid deterioration	high
Pollution	happening now	majority/most of area/population (50-90%)	moderate to rapid deterioration	high

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other action	Result
Little/none of site covered (<10%)	No management planning has taken place	Very little or no conservation action taking place	negligible

Habitat1	Habitat detail	% of IBA
Forest		-
Grassland		-
Marine Coastal/Supratidal		-

1. IUCN Habitat classification.

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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 22/11/2024.