IBA Justification

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
Mute Swan Cygnus olor LC non-breeding 1991 3,818 individuals A4i, B1i, C3
Barnacle Goose Branta leucopsis LC breeding 1998 25 breeding pairs C2
Greylag Goose Anser anser LC non-breeding 1991 2,616 individuals B1i, C3
Pied Avocet Recurvirostra avosetta LC breeding 1993 201 breeding pairs B3
Great Black-backed Gull Larus marinus LC breeding 1995 309 breeding pairs B3
A4iii Species group - waterbirds n/a unknown - min 20,000 individuals A4iii, C4

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

IBA Conservation

IBA conservation assessment
Year of assessment (most recent) State (condition) Pressure (threat) Response (action)
2010 very unfavourable not assessed not assessed
Was the whole site assessed? State assessed by Accuracy of information
yes population good

State (condition of the trigger species' populations)
Scientific name Common name Reference population Actual population Units % of population remaining Result
Mergus serrator Red-breasted Merganser 950 428 individuals 46 unfavourable
Anas crecca 3866 3375 individuals 88 near favourable
Phalacrocorax carbo Great Cormorant 12590 10150 individuals 81 near favourable
Recurvirostra avosetta Pied Avocet 289 200 breeding pairs 70 near favourable
Pluvialis apricaria Eurasian Golden Plover 7600 7500 individuals 99 favourable
Calidris pugnax Ruff 70 5 breeding pairs 8 very unfavourable
Calidris alpina Dunlin 20 0 breeding pairs 0 very unfavourable
Tringa totanus Common Redshank 735 239 individuals 33 very unfavourable
Tringa glareola Wood Sandpiper 200 68 individuals 34 very unfavourable
Larus ridibundus Black-headed Gull 2250 1100 individuals 49 unfavourable
Larus argentatus 8300 2000 individuals 25 very unfavourable
Sternula albifrons Little Tern 69 11 breeding pairs 16 very unfavourable
Hydroprogne caspia Caspian Tern 1 1 breeding pairs 100 favourable
Sterna hirundo Common Tern 40 6 breeding pairs 15 very unfavourable
Sterna paradisaea Arctic Tern 264 140 breeding pairs 54 unfavourable
Asio flammeus Short-eared Owl 2 0 breeding pairs 0 very unfavourable
Circus aeruginosus Western Marsh-harrier 16 8 breeding pairs 50 unfavourable
Circus cyaneus 11 11 individuals 100 favourable
Haliaeetus albicilla White-tailed Sea-eagle 12 12 individuals 100 favourable
Falco columbarius Merlin 7 6 individuals 86 near favourable
Falco peregrinus 4 4 individuals 100 favourable
Lanius collurio Red-backed Shrike 56 15 individuals 27 very unfavourable

Response (conservation actions taken for the trigger species and/or their habitats)
Protected-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Waters around Saltholm Baltic Sea Protected Area (HELCOM) 7,218 is identical to site 7,125
Saltholm og omliggende hav Site of Community Importance (Habitats Directive) 7,218 is identical to site 0
Saltholm og omliggende hav Special Protection Area (Birds Directive) 7,218 is identical to site 7,218
Saltholm Fredet ved afgørelse, exl. Kirkeomgivelser 1,517 protected area contained by site 0
Saltholm Major Conservation Area 1,600 protected area contained by site 1,600


Habitat (IUCN level 1) Habitat detail Extent (% of site)
Grassland Humid grasslands -
Marine Neritic -
Marine Intertidal -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
unknown -

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Saltholm. Downloaded from on 05/12/2023.