Neusiedler See

IBA Criteria

Year of most recent IBA criteria assessment: 2009

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Greylag Goose Anser anser LC breeding 1997-2005 500-800 breeding pairs B1i, C3
Red-crested Pochard Netta rufina LC breeding 1994 100-200 breeding pairs B1i, C3
Ferruginous Duck Aythya nyroca NT resident 1996 150-200 breeding pairs A1, C1
Garganey Spatula querquedula LC breeding 1997-2005 75-150 breeding pairs B2
Little Grebe Tachybaptus ruficollis LC breeding 1997-2005 500-1,000 breeding pairs A4i, B1i, C3
Spotted Crake Porzana porzana LC resident 1994 30 breeding pairs C6
Little Crake Zapornia parva LC breeding 1997-2005 1,000-2,000 breeding pairs B2, C2, C6
Eurasian Spoonbill Platalea leucorodia LC breeding 1998-2003 40-81 adults B2, C6
Eurasian Bittern Botaurus stellaris LC breeding 2001-2005 20-2,000 breeding pairs B2, C6
Common Little Bittern Ixobrychus minutus LC breeding 1995 60 breeding pairs B2, C6
Black-crowned Night-heron Nycticorax nycticorax LC breeding 1998-2003 1-41 breeding pairs C6
Purple Heron Ardea purpurea LC breeding 1998-2004 86-298 breeding pairs B2, C6
Great White Egret Ardea alba LC breeding 1996 642 breeding pairs A4i, B1i, C2, C6
Black-winged Stilt Himantopus himantopus LC breeding 1997-2005 5-10 breeding pairs C6
Kentish Plover Charadrius alexandrinus LC breeding 2002-2004 2-7 breeding pairs C6
Common Tern Sterna hirundo LC breeding 2002-2005 120 breeding pairs C6
Western Marsh-harrier Circus aeruginosus LC breeding 1995 100-150 breeding pairs C6
Moustached Warbler Acrocephalus melanopogon LC breeding 1997 8,700-15,600 breeding pairs C2, C6
Common Reed-warbler Acrocephalus scirpaceus LC breeding 1997 20,500-42,000 breeding pairs C3
Savi's Warbler Locustella luscinioides LC breeding 1997 1,750 breeding pairs B3
Bluethroat Cyanecula svecica LC breeding 2001-2005 frequent C2, C6
A4iii Species group - waterbirds n/a breeding - 50,000-99,999 individuals A4iii, C4

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

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Neusiedlersee, Seewinkel & Hanság Ramsar Site, Wetland of International Importance 44,229 protected area contains site 23,272
Neusiedler See und Umgebung Landschafts- und Naturschutzgebiet 50,088 protected area contains site 0
Neusiedler See - Seewinkel Nationalpark 7,665 protected area overlaps with site 4,000
Neusiedler See - Nordöstliches Leithagebirge Site of Community Importance (Habitats Directive) 57,125 protected area contains site 0
Neusiedler See - Nordöstliches Leithagebirge Special Protection Area (Birds Directive) 57,125 protected area contains site 23,272


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
other -
tourism/recreation -
nature conservation and research -
not utilised -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Neusiedler See. Downloaded from on 10/08/2022.