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Location Bulgaria, Montana
Central coordinates 23o 30.98' East  43o 49.47' North
IBA criteria A1, B2, C1, C2, C6
Area 399 ha
Altitude 30 - 45m
Year of IBA assessment 2005

Bulgarian Society for the Protection of Birds

Site description An island on kilometre 717 of the River Danube, covered by seasonally flooded forest of Alnus, Salix and Populus. The western part of the island is a sandy clearing, covered by a plantation of Populus. Human activities include intensive forest management in the plantation.

Key Biodiversity The island supports the largest nesting colonies of herons and cormorants in the country, being especially important for its large numbers of Phalacrocorax pygmeus, Nycticorax nycticorax, Ardeola ralloides and Platalea leucorodia.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Eurasian Spoonbill Platalea leucorodia breeding  1996  10 breeding pairs  good  B2, C6  Least Concern 
Black-crowned Night-heron Nycticorax nycticorax breeding  1996  250 breeding pairs  good  B2, C6  Least Concern 
Squacco Heron Ardeola ralloides breeding  1996  50 breeding pairs  good  B2, C2, C6  Least Concern 
Egretta garzetta breeding  1996  300 breeding pairs  good  C6  Not Recognised 
Pygmy Cormorant Microcarbo pygmaeus breeding  1996  12 breeding pairs  good  A1, C1, C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Ibisha Managed Reserve 34 protected area contained by site 34  
Ibisha Island Wetlands of International Importance (Ramsar) 372 protected area contained by site 372  


IUCN habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest  50%
Artificial - terrestrial Forestry plantations  50%

Land use

Land-use Extent (% of site)
not utilised 50%
forestry 50%

Protection status National Partial International None34 ha of IBA covered by Nature Reserve (Ibisha, 34 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Ibisha Island. Downloaded from on 22/10/2016

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