Audru polder

IBA Criteria

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
Whooper Swan Cygnus cygnus LC passage 1996 300-600 individuals B1i
Tundra Swan Cygnus columbianus LC passage 1996 5,000-17,500 individuals A4i, B1i
Barnacle Goose Branta leucopsis LC passage 1996 3,000-6,000 individuals A4i, B1i
Greylag Goose Anser anser LC passage 1996 400 individuals B1i
A4iii Species group - waterbirds n/a passage 1996 8,700-24,000 individuals A4iii

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


IUCN Habitat Habitat detail Extent (% of site)
Artificial/Terrestrial Highly improved re-seeded landscapes -
Wetlands (inland) -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
nature conservation and research -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Audru polder. Downloaded from on 08/08/2022.