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The site was identified as internationally important for bird conservation in 2016 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
Yelkouan Shearwater Puffinus yelkouan	VU	non-breeding (2016)	150–200 birds	A1
A4iv Species group - soaring birds/cranes	n/a	passage (-)	min 20,000 birds	A4iv, B1iv

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2016. The most recent assessment (2006) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
No known threats	happe­ning now	few indivi­duals/small area (<10%)	slow decline (1–10% over 3 gener­ations)	low

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Whole area (>90%) covered by appropriate conservation designation	No management planning has taken place	Very little or no conservation action taking place	low

Habitat	% of IBA	Habitat detail
Marine Coastal/Supratidal	major (>10)
Marine Neritic	major (>10)
Shrubland	major (>10)
Artificial/Terrestrial	minor (<10)
Marine Intertidal	minor (<10)

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: İstanbul Islands (Türkiye). Downloaded from https://datazone.birdlife.org/site/factsheet/istanbul-islands-iba-türkiye on 23/12/2024.