• Summary
• Text account
• Data table and detailed info
• Map
• 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') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
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
Velvet Scoter Melanitta fusca	VU	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

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.

Year	Protected Area	Designation	% overlap with IBA
-	Hirsholmene	Scientific Reserve	-
-	L'sí	National Nature Area	-
1948	Hirsholmene Bird R	Bird Reserve	-
1977	Hirsholmene	Ramsar Site, Wetland of International Importance	<1
1977	Waters north of Anholt	Ramsar Site, Wetland of International Importance	1
1977	Læso	Ramsar Site, Wetland of International Importance	7
1977	Randers and Mariager Fjords and the adjacent sea	Ramsar Site, Wetland of International Importance	4
1981	Hirsholmene Sea Area	Major Conservation Area	<1
2005	Waters around Hirsholmene	Baltic Sea Protected Area (HELCOM)	-

Habitat1	Habitat detail	% of IBA
Marine Neritic		100

1. IUCN Habitat classification.

Land use	% of IBA
unknown	-

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Northern Kattegat (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/northern-kattegat-iba-denmark on 22/11/2024.