Mondego Estuary

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
Greater Flamingo Phoenicopterus roseus LC winter 2002 140 unknown C6
Purple Heron Ardea purpurea LC passage 2002 frequent C6
Pied Avocet Recurvirostra avosetta LC winter 2000 505-977 unknown A4i, B1i, C3, C6
Black-winged Stilt Himantopus himantopus LC breeding 1999 39-274 breeding pairs C6
Little Tern Sternula albifrons LC breeding 2002 4 breeding pairs C6
Osprey Pandion haliaetus LC winter 2001 frequent C6
Western Marsh-harrier Circus aeruginosus LC resident 2000 2 breeding pairs C6
Bluethroat Luscinia svecica LC winter 2002 frequent C6

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)
Mondego Estuary Ramsar Site, Wetland of International Importance 1,518 is identical to site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Rivers and streams, Standing brackish and salt water -
For further information about the IUCN habitat classification, please click here.

Land use

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

Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Mondego Estuary. Downloaded from on 30/05/2023.