Current view: Data table and detailed info
The site was identified as important in 2002 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 List1 |
Season |
Year(s) |
Size |
IBA criteria |
Whooper Swan Cygnus cygnus |
LC |
winter |
1990 |
34 individuals |
C2 |
Greylag Goose Anser anser |
LC |
passage |
1980-1989 |
2,200 individuals |
B1i, C3 |
Bean Goose Anser fabalis |
LC |
passage |
1990-1999 |
10,200 individuals |
A4i, B1i, C3 |
Greater White-fronted Goose Anser albifrons |
LC |
passage |
1990-1999 |
8,334 individuals |
B1i, C3 |
Northern Shoveler Spatula clypeata |
LC |
winter |
1990-2000 |
1,876 individuals |
B1i, C3 |
Mallard Anas platyrhynchos |
LC |
winter |
1990-1999 |
36,566 individuals |
C3 |
Common Teal Anas crecca |
LC |
winter |
1990-1999 |
4,224 individuals |
B1i, C3 |
Corncrake Crex crex |
LC |
breeding |
1990-1999 |
23 breeding pairs |
A1, C1 |
Spotted Crake Porzana porzana |
LC |
breeding |
1990-1999 |
14 breeding pairs |
C6 |
Eurasian Bittern Botaurus stellaris |
LC |
breeding |
1990-1999 |
2 breeding pairs |
C6 |
Black Tern Chlidonias niger |
LC |
breeding |
1990-1999 |
57 breeding pairs |
B2, C2, C6 |
Black Tern Chlidonias niger |
LC |
winter |
1990-1999 |
125 individuals |
C2, C6 |
Hen Harrier Circus cyaneus |
LC |
winter |
1990-1999 |
200 individuals |
C6 |
A4iii Species group - waterbirds |
n/a |
passage |
1987-1996 |
20,734 individuals |
A4iii, C4 |
A4iii Species group - waterbirds |
n/a |
winter |
1990-1997 |
42,825 individuals |
A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.
Habitat1 |
Habitat detail |
% of IBA |
Grassland |
Humid grasslands |
- |
Wetlands (inland) |
Standing freshwater, Fens, transition mires and springs |
- |
1.
IUCN Habitat classification.
Land use |
% of IBA |
agriculture |
- |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Dümmer (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/dümmer-iba-germany on 22/11/2024.