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Location Spain, País Valenciano
Central coordinates 0o 5.00' West  38o 50.00' North
IBA criteria B1i, B2, C2, C6
Area 1,290 ha
Altitude 0 - 87m
Year of IBA assessment 2000


Site description An area of reedbed (Phragmites) and humid grassland that is prone to flooding. Hunting and agriculture are the main human activities.

Key Biodiversity This is an important site for breeding herons and waders and wintering and passage waterbirds.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Marbled Teal Marmaronetta angustirostris breeding  1996  3 breeding pairs  medium  B2, C6  Vulnerable 
Ixobrychus minutus resident  1995  30-50 breeding pairs  medium  B2, C6  Not Recognised 
Purple Heron Ardea purpurea resident  1996  12-15 breeding pairs  medium  C6  Least Concern 
Himantopus himantopus breeding  1996  13-166 breeding pairs  good  B1i, C2, C6  Not Recognised 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Marjal de Pego - Oliva Nature Park 1,290 protected area contained by site 1,290  
Marjal de Pego-Oliva Wetlands of International Importance (Ramsar) 1,290 protected area overlaps with site 1,290  


IUCN habitat Habitat detail Extent (% of site)
Shrubland Sclerophyllous scrub, garrigue and maquis  10%
Grassland Humid grasslands  15%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  55%
Artificial - terrestrial Perennial crops, orchards and groves  20%

Land use

Land-use Extent (% of site)
agriculture 20%
hunting 100%

Protection status National High International High1,290 ha of IBA covered by Natural Park (Marjal de Pego-Oliva, 1,290 ha). 1,290 ha of IBA covered by Special Protection Area (Marjal de Pego-Oliva, 1,290 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Pego-Oliva marshes. Downloaded from on 24/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife