Year of most recent IBA criteria assessment: 2002
Populations of IBA trigger speciesSpecies | Current IUCN Red List Category | Season | Year(s) of estimate | Population at site | IBA criteria triggered |
---|---|---|---|---|---|
White Stork Ciconia ciconia | LC | resident | 1996 | 50-70 breeding pairs | C6 |
Common Little Bittern Ixobrychus minutus | LC | breeding | 1996 | common | C6 |
Purple Heron Ardea purpurea | LC | breeding | 2002 | 15 breeding pairs | B2, C6 |
Little Egret Egretta garzetta | LC | non-breeding | 1996 | common | C6 |
Great Cormorant Phalacrocorax carbo | LC | winter | 1996 | 1,000-2,200 individuals | B1i, C3 |
Pied Avocet Recurvirostra avosetta | LC | winter | 1996 | 2,000-4,000 individuals | A4i, B1i, B2, C2 |
Black-winged Stilt Himantopus himantopus | LC | breeding | 1996 | 200-800 breeding pairs | A4i, B1i, C2, C6 |
Black-tailed Godwit Limosa limosa | NT | winter | 1996 | 2,000-11,000 individuals | B1i, C3 |
Dunlin Calidris alpina | LC | winter | 1996 | 12,000-16,000 individuals | B1i, B2, C3 |
Collared Pratincole Glareola pratincola | LC | breeding | 1996 | 5-20 breeding pairs | C6 |
Little Tern Sternula albifrons | LC | breeding | 1996 | 50-100 breeding pairs | B2, C6 |
Western Marsh-harrier Circus aeruginosus | LC | resident | 1996 | 5-6 breeding pairs | C6 |
A4iii Species group - waterbirds | n/a | winter | 1996 | 20,000 individuals | A4iii, C4 |
Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.
For more information about the IBA criteria, please click here
Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
---|---|---|---|---|
Estuário do Sado | Ramsar Site, Wetland of International Importance | 25,588 | protected area overlaps with site | 24,633 |
Estuário do Sado | Special Protection Area (Birds Directive) | 24,633 | protected area overlaps with site | 24,312 |
Estuário do Sado | Reserva Natural | 23,971 | protected area overlaps with site | 20,011 |
Estuário do Sado | Site of Community Importance (Habitats Directive) | 30,968 | protected area overlaps with site | 23,346 |
Comporta / Galé | Site of Community Importance (Habitats Directive) | 32,051 | protected area is adjacent to site | 0 |
Açude da Murta | Special Protection Area (Birds Directive) | 498 | protected area overlaps with site | 0 |
IUCN Habitat | Habitat detail | Extent (% of site) |
---|---|---|
Forest | Mixed woodland, Broadleaved evergreen woodland | - |
Shrubland | Sclerophyllous scrub, garrigue and maquis | - |
Artificial/Terrestrial | Arable land, Forestry plantations, Other urban and industrial areas | - |
Marine Neritic | - | |
Marine Intertidal | - | |
Marine Coastal/Supratidal | - |
Land-use | Extent (% of site) |
---|---|
agriculture | - |
fisheries/aquaculture | - |
forestry | - |
hunting | - |
nature conservation and research | - |
tourism/recreation | - |
urban/industrial/transport | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Sado estuary. Downloaded from
http://datazone.birdlife.org/site/factsheet/371 on 06/06/2023.