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The site was identified as internationally important for bird conservation in 2017 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Streaked Shearwater Calonectris leucomelas	NT	breeding (2017)	24,725–98,900 individuals	A4

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2017. The most recent assessment (2019) is shown below.

Pressure (threats to the key species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Climate change and severe weather	happen­ing now	whole popul­ation/area (>90%)	slow deteri­oration (1–10% over 3 gener­ations)	high
Invasive and other problematic species and genes	happen­ing now	most of popul­ation/area (50–90%)	moderate deteri­oration (10–30% in 3 gener­ations)	high
Biological resource use	happen­ing now	most of popul­ation/area (50–90%)	slow deteri­oration (1–10% over 3 gener­ations)	high
Energy production and mining	likely in short term (within 4 years)	few individ­uals/small area (<10%)	slow deteri­oration (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the key species and/or their habitats)
Designation	Planning	Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No manage­ment planning has taken place	Substantive conservation measures are being implemented, but these are not comprehensive and are limited by resources and capacity	low

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Awashima island (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/awashima-island-iba-japan on 05/01/2025.