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Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species

Species	Current IUCN Red List Category	Season	Year(s) of estimate	Population estimate	IBA Criteria Triggered
Lesser Black-backed Gull Larus fuscus	LC	breeding	1994	775 breeding pairs	B3
Great Black-backed Gull Larus marinus	LC	breeding	1994	240 breeding pairs	B3
Common Tern Sterna hirundo	LC	breeding	1994	175 breeding pairs	C6
Sandwich Tern Thalasseus sandvicensis	LC	breeding	1994	1,356 breeding pairs	A4i, B1i, B2, C6
Black Guillemot Cepphus grylle	LC	breeding	1994	490 breeding pairs	B1ii

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

Threats to the site (pressure)
Threat Level 1	Threat Level 2	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	invasive non-native/alien species/diseases - named species	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Invasive and other problematic species and genes	problematic native species/diseases - named species	happening now	some of area/population (10-49%)	slow but significant deterioration	medium
Other	other threat	happening now	majority/most of area/population (50-90%)	very rapid to severe deterioration	very high
Residential and commercial development	tourism and recreation areas	happening now	whole area/population (>90%)	very rapid to severe deterioration	very high

Condition of key/trigger populations (state)
Scientific	Common	TargetPop	ActualPop	Units	Remaining	Result
Recurvirostra avosetta	Pied Avocet	1	1	breeding pairs	100	favourable
Cepphus grylle	Black Guillemot	1900	1900	individuals	100	favourable

Conservation actions taken at site (response)
Conservation Designation	Management Planning	Conservation Action	Result
Whole area of site (>90%) covered by appropriate conservation designation	No management plan exists but the management planning process has begun	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

For more information about IBA monitoring please click here

Protected Area	Designation	Area (ha)	Relationship with IBA	Overlap with IBA (ha)
Waters around Hirsholmene	Baltic Sea Protected Area (HELCOM)	9,500	protected area contains site	0
Waters around Hirsholmene	Major Conservation Area	920	protected area contains site	220
Hirsholmene; havet vest herfor og Ellinge Å's udløb	Site of Community Importance (Habitats Directive)	9,460	protected area contains site	220
Hirsholmene, havet vest herfor og Ellinge Å’s udløb	Marine Protected Area (OSPAR)	4,200	protected area overlaps with site	0
Hirsholmene	Baltic Sea Protected Area (Helcom)	9,480	protected area contains site	220
Hirsholmene	Ramsar Site, Wetland of International Importance	3,714	protected area overlaps with site	220
Hirsholmene	Special Protection Area (Birds Directive)	3,697	is identical to site	220
Frederikshavn Kommune	§3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv)	14,236	protected area overlaps with site	0

IUCN Habitat	Habitat detail	Extent (% of site)
Coastline	Sand dunes & beaches, Salt marshes	-
Marine Intertidal		-

For further information about the habitat classification please click here.

Land-use	Extent (% of site)
nature conservation and research	-

For further information about the land use classification please click here.

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Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Hirsholmene. Downloaded from http://www.birdlife.org on 23/03/2023.