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Location Denmark, Viborg Amtskommune
Central coordinates 8o 52.00' East  56o 58.00' North
IBA criteria A4i, A4iii, B1i, B2, C2, C4, C6
Area 3,850 ha
Altitude 0 - 14m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description A shallow freshwater area, with meadows grazed by cattle, and large expanses of reedbed.

Key Biodiversity This is an important staging area for Cygnus cygnus and C. columbianus. In total nearly 20,000 waterbirds overwinter or stage at this site. Several species listed on Annex I of the EC Birds Directive breed at the site, including Circus aeruginosus, Porzana porzana, Recurvirostra avosetta, Philomachus pugnax, Sterna hirundo, S. paradisaea, S. albifrons and Chlidonias niger.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Whooper Swan Cygnus cygnus non-breeding  1994  548 individuals  good  B1i, C2  Least Concern 
Tundra Swan Cygnus columbianus non-breeding  1994  402 individuals  good  A4i, B1i, B2, C2  Least Concern 
Eurasian Bittern Botaurus stellaris breeding  1992  24 breeding pairs  good  B2, C2, C6  Least Concern 
A4iii Species group - waterbirds unknown  20,000 individuals  unknown  A4iii, C4   

IBA Monitoring

2010 not assessed very unfavourable not assessed
Good - based on reliable and complete / representative data

Mareca penelope Eurasian Wigeon 2670 2670 individuals 100 favourable
Mergus serrator Red-breasted Merganser 3020 3020 individuals 100 favourable
Ciconia ciconia White Stork 1 0 breeding pairs 0 very unfavourable
Botaurus stellaris Eurasian Bittern 36 18 breeding pairs 50 unfavourable
Phalacrocorax carbo Great Cormorant 2100 1121 breeding pairs 54 unfavourable
Phalacrocorax carbo Great Cormorant 1500 1500 individuals 100 favourable
Falco peregrinus 3 3 individuals 100 favourable
Circus cyaneus 12 6 individuals 50 unfavourable
Circus aeruginosus Western Marsh-harrier 12 12 breeding pairs 100 favourable
Crex crex Corncrake 3 3 breeding pairs 100 favourable
Porzana porzana Spotted Crake 75 1 breeding pairs 2 very unfavourable
Recurvirostra avosetta Pied Avocet 77 9 breeding pairs 12 very unfavourable
Limosa limosa Black-tailed Godwit 41 11 breeding pairs 27 very unfavourable
Calidris alpina Dunlin 33 7 breeding pairs 22 very unfavourable
Calidris pugnax Ruff 32 6 breeding pairs 19 very unfavourable
Sterna hirundo Common Tern 45 1 breeding pairs 3 very unfavourable
Chlidonias niger Black Tern 71 0 breeding pairs 0 very unfavourable

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Vejlerne and Loegstoer Bredning Wetlands of International Importance (Ramsar) 41,743 protected area contains site 3,850  


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  30%
Wetlands (inland) Standing freshwater; Water fringe vegetation  65%

Land use

Land-use Extent (% of site)
agriculture 20%
nature conservation and research 100%

Protection status National Partial International High3,850 ha of IBA covered by Ramsar Site (Vejlerne and Løgstør Bredning, 45,280 ha). 3,850 ha of IBA covered by Special Protection Area (Vestlige Vejler; Arup Holme and Hovsør Røn (3,850 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Western part of Vejlerne, Arup Holm and Hovsør Røn. Downloaded from on 27/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife