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The site was identified as internationally important for bird conservation in 2014 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
Brent Goose Branta bernicla	LC	passage (2005–2014)	10–85 individuals	B1i
Barnacle Goose Branta leucopsis	LC	passage (2005–2014)	1,000–1,500 individuals	B1i
Barnacle Goose Branta leucopsis	LC	breeding (2005–2014)	50–100 breeding pairs	A3, B1i, B3
Pink-footed Goose Anser brachyrhynchus	LC	passage (2005–2014)	1,000–5,200 mature individuals	A4i, B1i
Pink-footed Goose Anser brachyrhynchus	LC	breeding (2005–2014)	50–150 breeding pairs	A3, B3
Long-tailed Duck Clangula hyemalis	VU	breeding (2005–2014)	1–5 breeding pairs	A3
King Eider Somateria spectabilis	LC	breeding (2005–2014)	2–10 breeding pairs	A3
Common Eider Somateria mollissima	NT	breeding (2005–2014)	< 50 breeding pairs	A3
Eurasian Golden Plover Pluvialis apricaria	LC	breeding (2005–2014)	1–5 breeding pairs	A3
Dunlin Calidris alpina	NT	breeding (2005–2014)	< 50 breeding pairs	A3
Purple Sandpiper Calidris maritima	LC	passage (2005–2014)	600–1,350 mature individuals	B1i
Purple Sandpiper Calidris maritima	LC	breeding (2005–2014)	< 50 breeding pairs	A3, B3
Pectoral Sandpiper Calidris melanotos	LC	breeding (2007–2013)	max 1 breeding pairs	A3
Red-necked Phalarope Phalaropus lobatus	LC	breeding (2005–2014)	max 1 breeding pairs	A3
Red Phalarope Phalaropus fulicarius	LC	breeding (2005–2014)	1–7 breeding pairs	A3
Ivory Gull Pagophila eburnea	NT	non-breeding (2005–2014)	1–22 individuals	A1
Glaucous Gull Larus hyperboreus	LC	breeding (2005–2014)	max 10 breeding pairs	A3
Arctic Jaeger Stercorarius parasiticus	LC	breeding (2005–2014)	5–10 breeding pairs	A3
Snow Bunting Plectrophenax nivalis	LC	breeding (2005–2014)	common	A3

Habitat	% of IBA	Habitat detail
Rocky areas (eg. inland cliffs, mountain peaks)	30
Wetlands (inland)	30	Fens, transition mires and springs; Rivers and streams; Standing freshwater
Marine Coastal/Supratidal	20
Marine Intertidal	10
Marine Neritic	10

Land use	% of IBA
nature conservation and research	major (>10)
urban/industrial/transport	minor (<10)
tourism/recreation	minor (<10)
hunting	minor (<10)
energy production and mining	minor (<10)
not utilised	minor (<10)

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Adventdalen & Adventfjorden (Svalbard and Jan Mayen Islands (to Norway)). Downloaded from https://datazone.birdlife.org/site/factsheet/adventdalen-&-adventfjorden-iba-svalbard-and-jan-mayen-islands-(to-norway) on 11/01/2025.