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LC
Marsh Warbler Acrocephalus palustris

IUCN Red List history

Year Category
2014 Least Concern
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status full migrant Forest dependency Low
Land mass type   Average mass -

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 6,000,000
Extent of Occurrence non-breeding (km2) 2,260,000
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Stable -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.4 - - -
Population justification: In Europe, the breeding population is estimated to number 3,200,000-6,800,000 breeding pairs, equating to 9,600,000-20,400,000 individuals (BirdLife International 2004). Europe forms 75-94% of the global range, so a very preliminary estimate of the global population size is 10,200,000-27,200,000 individuals, although further validation of this estimate is needed.
Trend justification: In Europe the overall trend from 1980-2011 was stable, based on provisional data for 27 countries from the Pan-European Common Bird Monitoring Scheme (EBCC/RSPB/BirdLife/Statistics Netherlands).

Country/Territory distribution

Country/Territory Occurrence status Presence Breeding Non-breeding Passage Resident
Albania Native Extant Yes      
Algeria Vagrant Extant        
Armenia Native Extant Yes      
Austria Native Extant Yes      
Azerbaijan Native Extant Yes      
Bahrain Native Extant     Yes  
Belarus Native Extant Yes      
Belgium Native Extant Yes      
Bosnia and Herzegovina Native Extant Yes      
Botswana Native Extant        
Bulgaria Native Extant Yes      
Congo, The Democratic Republic of the Native Extant        
Croatia Native Extant Yes      
Cyprus Native Extant        
Czech Republic Native Extant Yes   Yes  
Denmark Native Extant Yes   Yes  
Egypt Native Extant        
Estonia Native Extant Yes      
Ethiopia Native Extant        
Faroe Islands (to Denmark) Vagrant Extant        
Finland Native Extant Yes      
France Native Extant Yes      
Georgia Native Extant Yes      
Germany Native Extant Yes      
Greece Native Extant Yes   Yes  
Hungary Native Extant Yes      
Iran, Islamic Republic of Native Extant Yes   Yes  
Iraq Native Extant     Yes  
Israel Native Extant        
Italy Native Extant Yes   Yes  
Jordan Vagrant Extant        
Kazakhstan Native Extant Yes      
Kenya Native Extant        
Kuwait Native Extant     Yes  
Latvia Native Extant Yes      
Lebanon Native Extant     Yes  
Liechtenstein Native Extant Yes      
Lithuania Native Extant Yes      
Luxembourg Native Extant Yes      
Macedonia, the former Yugoslav Republic of Native Extant Yes      
Malawi Native Extant        
Malta Vagrant Extant        
Moldova Native Extant Yes      
Montenegro Native Extant Yes      
Morocco Native Extant        
Mozambique Native Extant        
Namibia Native Extant        
Netherlands Native Extant Yes      
Nigeria Vagrant Extant        
Norway Native Extant Yes      
Oman Native Extant     Yes  
Poland Native Extant Yes      
Portugal Vagrant Extant        
Qatar Native Extant     Yes  
Romania Native Extant Yes      
Russia Native Extant Yes      
Russia (Central Asian) Native Extant Yes      
Russia (European) Native Extant Yes      
Rwanda Native Extant        
Saudi Arabia Native Extant     Yes  
Serbia Native Extant Yes      
Slovakia Native Extant Yes      
Slovenia Native Extant Yes      
Somalia Native Extant        
South Africa Native Extant        
Spain Native Extant Yes      
Sudan Native Extant     Yes  
Swaziland Native Extant        
Sweden Native Extant Yes   Yes  
Switzerland Native Extant Yes      
Syria Native Extant     Yes  
Tanzania Native Extant        
Tunisia Native Extant        
Turkey Native Extant Yes      
Uganda Native Extant        
Ukraine Native Extant Yes      
United Arab Emirates Native Extant     Yes  
United Kingdom Native Extant Yes      
Yemen Native Extant     Yes  
Zambia Native Extant        
Zimbabwe Native Extant        

Important Bird Areas where this species has triggered the IBA criteria

Country/Territory IBA Name IBA link
Italy Caorle lagoon site factsheet
Italy Lake Candia site factsheet
Italy River Po from Dora Baltea mouth to Scrivia mouth site factsheet
Italy Venice lagoon site factsheet
Russia (European) Buzulukski forest site factsheet
Russia (European) Karabash-Kudashskaya forest-steppe site factsheet
Ukraine Mzha river valley site factsheet

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Rural Gardens suitable non-breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Forest Temperate suitable breeding
Grassland Subtropical/Tropical Seasonally Wet/Flooded suitable non-breeding
Grassland Temperate suitable non-breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Shrubland Subtropical/Tropical Moist suitable non-breeding
Shrubland Temperate major breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable non-breeding
Wetlands (inland) Bogs, Marshes, Swamps, Fens, Peatlands suitable breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable non-breeding
Altitude 0 - 0 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Acrocephalus palustris. Downloaded from http://www.birdlife.org on 25/12/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/12/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

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

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Sylviidae (Old World warblers)
Species name author (Bechstein, 1798)
Population size mature individuals
Population trend Stable
Distribution size (breeding/resident) 6,000,000 km2
Country endemic? No
Links to further information
- Summary information on this species