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Location Bosnia and Herzegovina
Central coordinates 17o 37.00' East  43o 3.00' North
IBA criteria A1, A4i, B1i, B2, B3
Area 7,411 ha
Altitude 3 - 432m
Year of IBA assessment 2011

Site description Areas of open water with extensive stands of emergent vegetation (Phragmites, Scirpus), wet meadows, riverine and water-edge forests (Salix, Populus, Alnus), and degraded Quercus and Carpinus woodland on high ground. Human activities include fishing and hunting.

Key Biodiversity Two species of global conservation concern breed at the site. Other breeding species include Phalacrocorax carbo, Botaurus stellaris, Ardeola ralloides, Nycticorax nycticorax, Egretta garzetta and Ardea purpurea.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Ferruginous Duck Aythya nyroca breeding  2007-2010  15-30 breeding pairs  medium  A1, B2  Near Threatened 
Ferruginous Duck Aythya nyroca passage  2007-2010  52-229 individuals  good  A1  Near Threatened 
Squacco Heron Ardeola ralloides breeding  2007-2010  20-31 breeding pairs  good  B2  Least Concern 
Pygmy Cormorant Microcarbo pygmaeus breeding  2007-2010  573-855 breeding pairs  good  A4i, B1i, B3  Least Concern 

IBA Monitoring

2013 high very unfavourable low
Medium - based upon reliable but incomplete / partially representative data

Biological resource use hunting & collecting terrestrial animals - unintentional effects (species is not the target) likely in long term (beyond 4 years) majority/most of area/population (50-90%) very rapid to severe deterioration high
Natural system modifications dams & water management/use - abstraction of surface water (commercial use) likely in long term (beyond 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Natural system modifications fire & fire suppression - increase in fire frequency/intensity likely in short term (within 4 years) majority/most of area/population (50-90%) very rapid to severe deterioration high

Wetlands (inland)   3500 2500 72 good (> 90%) near favourable

Microcarbo pygmaeus Pygmy Cormorant 1842 387 individuals 22 very unfavourable

Whole area of site (>90%) covered by appropriate conservation designation  No management plan exists but the management planning process has begun  Some limited conservation initiatives are in place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Hutovo Blato Wetlands of International Importance (Ramsar) 7,411 is identical to site 7,411  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland  -
Wetlands (inland) Standing freshwater; Water fringe vegetation  -

Land use

Land-use Extent (% of site)
fisheries/aquaculture -
hunting -

Protection status National Partial International NoneIBA covered by Ornithological Reserve.

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

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