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The site was identified as internationally important for bird conservation 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 List	Season (year/s of estimate)	Size	IBA criteria
Barnacle Goose Branta leucopsis	LC	non-breeding (1994)	3,500 birds	A4i, B1i, C2
Greylag Goose Anser anser	LC	passage (1994)	2,000 birds	B1i, C3

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2000. The most recent assessment (2010) is shown below.

State (condition of the trigger species' populations)
Species	Actual vs Reference (units)	% remaining	Result
Whooper Swan Cygnus cygnus	635 / 635 (birds)	100	good
Corncrake Crex crex	4 / 4 (pairs)	100	good
Common Crane Grus grus	1 / 1 (pairs)	100	good
Common Crane Grus grus	20 / 59 (birds)	34	very poor

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Not assessed	Not assessed	Not assessed	not assessed

Year	Protected Area	Designation (management category)	% coverage of IBA
1976	Bøtø Nor	Fredet ved afgørelse, exl. Kirkeomgivelser (IV)	9
1994	Bøtø Nor	Baltic Sea Protected Area (Helcom) (UA)	94

Habitat	% of IBA	Habitat detail
Artificial/Terrestrial	95	Arable land; Forestry plantations
Grassland	5	Humid grasslands

Land use	% of IBA
agriculture	60
forestry	30
nature conservation and research	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Bøtø Nor (Denmark). Downloaded from https://datazone.birdlife.org/site/factsheet/bøtø-nor-iba-denmark on 26/12/2024.