Current view: Data table and detailed info
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
700-900 individuals
A4i, B1i, C2
Greylag Goose Anser anser
LC
passage
1996
1,800-2,000 individuals
B1i, C3
Bean Goose Anser fabalis
LC
passage
1996
1,500-2,000 individuals
B1i, C3
Northern Pintail Anas acuta
LC
passage
1996
400-500 individuals
B1i, C3
Anas crecca
NR
passage
1996
6,000-7,000 individuals
B1i, C3
Red-necked Grebe Podiceps grisegena
LC
breeding
1996
40-60 breeding pairs
B1i, C3
Spotted Crake Porzana porzana
LC
breeding
1996
5-25 breeding pairs
C6
Common Crane Grus grus
LC
passage
1996
6,000-10,000 individuals
A4i, B1i, C2
Eurasian Bittern Botaurus stellaris
LC
breeding
1996
10-14 breeding pairs
B2, C6
Black Tern Chlidonias niger
LC
breeding
1996
25-45 breeding pairs
C2, C6
Western Marsh-harrier Circus aeruginosus
LC
breeding
1996
20-35 breeding pairs
C6
Common Grasshopper-warbler Locustella naevia
LC
breeding
1996
30-50 breeding pairs
B3
A4iv Species group - soaring birds/cranes
n/a
passage
1996
min 10,000 individuals
B1iv, C5
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
Most recent IBA monitoring assessment
Year of assessment
Threat score (pressure)
Condition score (state)
Action score (response)
2018
medium
favourable
medium
Was the whole site covered?
Yes
State assessed by
Habitat
Accuracy of information
good
For more information about IBA monitoring please click
here
Protection status:
Protected Area
Designation
Area (ha)
Relationship with IBA
Overlap with IBA (ha)
Rösjö mosse och Mårbysjön
Site of Community Importance (Habitats Directive)
1,724
protected area overlaps with site
0
Rösjö mosse och Mårbysjön
Special Protection Area (Birds Directive)
1,724
protected area overlaps with site
91
Mårbykärret
Naturreservat
21
protected area overlaps with site
0
Hornborgasjön
Site of Community Importance (Habitats Directive)
4,080
protected area overlaps with site
0
Hornborgasjön
Naturreservat
4,080
protected area overlaps with site
4,000
Hornborgasjön
Special Protection Area (Birds Directive)
4,080
protected area overlaps with site
4,080
Hornborgasjön
Ramsar Site, Wetland of International Importance
6,510
is identical to site
6,510
Fageluddens
Nature Reserve
15
protected area contained by site
15
Fågeludden, Hornborga
Nature Reserve
16
protected area contained by site
16
Bjurum-Dagsnäs
Djur- och växtskyddsområde
3,623
protected area overlaps with site
1,982
Bjurum - Dagsnäs
Nature Reserve
110
protected area contained by site
110
IUCN Habitat
Habitat detail
Extent (% of site)
Forest
Native coniferous woodland, Mixed woodland
-
Grassland
Dry siliceous grassland, Humid grasslands
-
Wetlands (inland)
Standing freshwater, Raised bogs, Water fringe vegetation
-
Artificial/Terrestrial
Arable land
-
For further information about the habitat classification please click
here .
Land-use
Extent (% of site)
agriculture
-
forestry
-
nature conservation and research
-
tourism/recreation
-
For further information about the land use classification please click
here .
Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Lake Hornborga. Downloaded from
http://www.birdlife.org on 26/01/2021.