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The site was identified as internationally important for bird conservation in 2020 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
Emperor Penguin Aptenodytes forsteri	NT	chick-rearing (2009–2012)	2,623–5,509 breeding pairs	A4

Habitat	% of IBA	Habitat detail
Marine Neritic	100

Land use	% of IBA
nature conservation and research	major (>10)

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Antarctica Marine 46 (Antarctica). Downloaded from https://datazone.birdlife.org/site/factsheet/antarctica-marine-46-iba-antarctica on 13/01/2025.