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The site was identified as internationally important for bird conservation in 2015 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
Atlantic Puffin Fratercula arctica	VU	breeding (2011)	53,446–86,954 breeding pairs	A1, A4ii, B1ii, B2
A4iii Species group - seabirds	n/a	breeding (2011)	53,446–86,954 breeding pairs	A4iii

Land use	% of IBA
agriculture	minor (<10)

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Borgarey (Iceland). Downloaded from https://datazone.birdlife.org/site/factsheet/borgarey-iba-iceland on 09/01/2025.