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Location Portugal, Alentejo
Central coordinates 7o 30.00' West  38o 21.00' North
IBA criteria A1, A4i, B1i, B2, C1, C2, C6
Area 8,141 ha
Altitude 187 - 247m
Year of IBA assessment 2002

Sociedade Portuguesa para o Estudo das Aves

Site description Open agricultural area integrated in a zone with soft slopes and located in the south of Reguengos de Monsaraz. It is used for cultivation of cereals and also for viticulture and oliveculture.Western area contains a part of Herdade do Esporão and wetlands where is included lagoon with water-fringe vegetation and in broken stone.Eastern area is dominated by old olive-groves, arable lands and fallow lands. There are some woodland of evergreen Oak (Quercus ilex and Quercus suber).Fallow land is used for grazing sheep and cattle.

Key Biodiversity River Caridade in arrival at Esporão dam is an important wetland for birds, especially for breeding nucleus of Netta rufina,himantopus himantopus,Gelochelidon nilotica and Anas strepera. Eastern area has zones with high value for breeding and food for species of steppic habitats, Glareola pratincola and Pterocles orientalis.In the North there are old olives-groves also important for breeding wide species.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Little Bustard Tetrax tetrax resident  2000  abundant  A1, C1  Near Threatened 
Collared Pratincole Glareola pratincola breeding  2000  40-150 breeding pairs  good  A4i, B1i, B2, C2, C6  Least Concern 
Black-bellied Sandgrouse Pterocles orientalis resident  2000  40-60 breeding pairs  good  C6  Least Concern 

IBA Monitoring

2005 low not assessed not assessed
Good - based on reliable and complete / representative data

Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) very rapid to severe deterioration low


IUCN habitat Habitat detail Extent (% of site)
Shrubland Scrub  -
Grassland Steppes and dry calcareous grassland  -
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  -
Artificial - terrestrial Arable land; Forestry plantations; Perennial crops, orchards and groves  -

Land use

Land-use Extent (% of site)
agriculture -
hunting -
tourism/recreation -

Protection status National:NoneInternational: None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Reguengos de Monsaraz. Downloaded from on 27/10/2016

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