Data Zone
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 | 1990-1999 | 180 individuals | C2 |
| Tundra Swan Cygnus columbianus | LC | winter | 1990-1999 | 176 individuals | A4i, B1i, B2, C2 |
| Barnacle Goose Branta leucopsis | LC | winter | 1990-1999 | 36,000 individuals | A4i, B1i, B2, C2 |
| Greylag Goose Anser anser | LC | winter | 1990-1999 | 3,500 individuals | A4i, B1i, C3 |
| Bean Goose Anser fabalis | LC | passage | 1990 | 15,190 individuals | A4i, C3 |
| Bean Goose Anser fabalis | LC | winter | 1980-1989 | 15,400 individuals | B1i |
| Greater White-fronted Goose Anser albifrons | LC | winter | 1990-1999 | 49,000 individuals | A4i, B1i, C3 |
| Corncrake Crex crex | LC | breeding | 1990-1999 | 39 breeding pairs | A1, C1 |
| Pied Avocet Recurvirostra avosetta | LC | breeding | 1990-1999 | 132 breeding pairs | B3, C6 |
| Pied Avocet Recurvirostra avosetta | LC | winter | 1990-1999 | 2,200 individuals | A4i, B1i, B2, C2, C6 |
| Eurasian Golden Plover Pluvialis apricaria | LC | passage | 1990-1999 | 22,600 individuals | A4i, B1i, C2, C6 |
| Black-tailed Godwit Limosa limosa | NT | breeding | 1990-1999 | 320 breeding pairs | B2 |
| A4iii Species group - waterbirds | n/a | passage | 1990-1995 | 37,790 individuals | A4iii, C4 |
| A4iii Species group - waterbirds | n/a | winter | 1989-1998 | 106,456 individuals | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 2001 | Rheiderland | Special Protection Area (Birds Directive) | 56 |
| 2011 | Rheiderland | Landschaftschutzgebiet | 55 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Grassland | Humid grasslands, Mesophile grasslands | - |
| Wetlands (inland) | Fens, transition mires and springs | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Rheiderland (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/rheiderland-iba-germany on 22/11/2024.