Albufeira do Caia

IBA Justification

Year of most recent IBA criteria assessment: 2002

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population at site IBA criteria triggered
Little Bustard Tetrax tetrax NT resident 2001 160 individuals A1, C1
Little Egret Egretta garzetta LC breeding 1997 90 breeding pairs C6
Eurasian Thick-knee Burhinus oedicnemus LC winter 2001 250 individuals B2
Eurasian Thick-knee Burhinus oedicnemus LC breeding 2001 common B2, C6
Collared Pratincole Glareola pratincola LC breeding 2001 87-93 breeding pairs A4i, B1i, B2, C2, C6
Lesser Black-backed Gull Larus fuscus LC winter 2001 7,000-9,000 individuals A4i, B1i, C3
Little Tern Sternula albifrons LC breeding 1999 50-60 breeding pairs C6
Black Tern Chlidonias niger LC passage 2001 common C6
Osprey Pandion haliaetus LC winter 2001 frequent C6
Black-winged Kite Elanus caeruleus LC resident 2001 common B2

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

IBA Conservation

IBA conservation status - summary
Year of assessment (most recent) Threat (pressure) Condition (state) Action (response)
2005 low not assessed not assessed
Was the whole site assessed? no Condition (state) assessed by unset
Accuracy of information good

Threats to the site (pressure)
Threat level 1 Threat level 2 Timing Scope Severity Result
Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) very rapid to severe deterioration low

Conservation actions taken at the site (response)
Protected-area designation Management planning Other conservation action Result
Not assessed Not assessed Not assessed not assessed
For more information about IBA conservation status, please click here

IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
S. Mamede Site of Community Importance (Habitats Directive) 115,676 protected area overlaps with site 1,713
Caia Site of Community Importance (Habitats Directive) 31,087 protected area overlaps with site 3,847


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved evergreen woodland -
Wetlands (inland) Standing freshwater -
Artificial/Terrestrial Arable land -
For further information about the IUCN habitat classification, please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
tourism/recreation -
water management -
For further information about the land-use classification, please click here.

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Albufeira do Caia. Downloaded from on 04/06/2023.