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• Text account
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• Reference and further resources

The site was identified as important in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):

Species	Current IUCN Red List Category	Season	Year(s)	Population estimate at site	IBA criteria met
Common Eider Somateria mollissima	NT	winter	1993	400,000 individuals	A4i, B1i, C3
Common Scoter Melanitta nigra	LC	winter	1993	495,000 individuals	A4i, B1i, C3
White-winged Scoter Melanitta deglandi	LC	winter	1993	82,000 individuals	A4i, B1i, B2, C3
Common Goldeneye Bucephala clangula	LC	winter	1993	6,425 individuals	A4i, B1i, C3
Greater Scaup Aythya marila	LC	winter	1993	12,000 individuals	A4i, B1i, B2, C3
Red-necked Grebe Podiceps grisegena	LC	winter	1993	2,350 individuals	A4i, B1i, C3
Red-throated Loon Gavia stellata	LC	winter	1993	1,450 individuals	A4i, B1i, C2
Arctic Loon Gavia arctica	LC	winter	1993	1,450 individuals	A4i, B1i, C2
Great Black-backed Gull Larus marinus	LC	winter	1993	6,350 individuals	A4i, B1i, C3
Arctic Herring Gull Larus smithsonianus	LC	winter	1993	30,000 individuals	A4i, B1i
Razorbill Alca torda	LC	winter	1993	129,000 individuals	A4ii, B1ii, B3, C3
A4iii Species group - waterbirds	n/a	winter	1993	590,000 individuals	A4iii, C4

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2000).

Protected area (PA)	PA designation	PA area (ha)	Relationship of PA with IBA	Overlap of PA with IBA (ha)
Waters north of Anholt	Ramsar Site, Wetland of International Importance	11,616	protected area overlaps with site	12,635
Waters around Hirsholmene	Baltic Sea Protected Area (HELCOM)	9,500	unknown	0
Randers and Mariager Fjords and the adjacent sea	Ramsar Site, Wetland of International Importance	39,190	protected area overlaps with site	35,200
Læso	Ramsar Site, Wetland of International Importance	66,548	protected area overlaps with site	62,880
L'sí	National Nature Area	98,300	unknown	0
Hirsholmene Sea Area	Major Conservation Area	920	protected area contained by site	920
Hirsholmene Bird R	Bird Reserve	380	unknown	0
Hirsholmene	Ramsar Site, Wetland of International Importance	3,714	protected area contained by site	480
Hirsholmene	Scientific Reserve	2,095	unknown	0

Habitat (IUCN level 1)	Habitat detail	Extent (% of site)
Marine Neritic		-

For more information about the IUCN Habitat classification, please click here.

Land-use	Extent (% of site)
unknown	-

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Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Northern Kattegat. Downloaded from http://datazone.birdlife.org/site/factsheet/northern-kattegat-iba-denmark on 02/10/2023.