LC
Barred Warbler Curruca nisoria



Taxonomy

Taxonomic note
Previously placed in Sylvia (del Hoyo and Collar 2016) but moved to current genus following Cai et al. (2019). Geographical variation slight and mostly clinal; subspecies merzbacheri intergrades widely with nominate in region of Urals and elsewhere. Two subspecies recognized.

Taxonomic source(s)
Handbook of the Birds of the World and BirdLife International. 2021. Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 6. Available at: https://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v6_Dec21.zip.

IUCN Red List criteria met and history
Red List criteria met
Critically Endangered Endangered Vulnerable
- - -

Red List history
Year Category Criteria
2024 Least Concern
2016 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 medium
Land-mass type Average mass -
Range

Estimate Data quality
Extent of Occurrence (breeding/resident) 16,100,000 km2 medium
Extent of Occurrence (non-breeding) 791,000 km2 medium
Severely fragmented? no -
Population
Estimate Data quality Derivation Year of estimate
Population size 2300000-4220000 mature individuals poor estimated 2018
Population trend increasing - estimated -
Generation length 2.98 years - - -

Population justification: In Europe, the total population size is estimated at 1,150,000-2,110,000 mature individuals, with 579,000-1,060,000 breeding pairs (BirdLife International 2021), and comprises approximately 50% of the species' global range, so a very preliminary estimate of the global population size is between 2,300,000-4,220,000 mature individuals, although further validation of this estimate is desirable. The species' population in Europe is considered to have undergone a suspected increase over three generations (10 years) (BirdLife International 2021). As this region holds around half of the species' global range, the global population size is considered to be increasing over three generations.

Trend justification:    .


Country/territory distribution
Country/Territory Presence Origin Resident Breeding visitor Non-breeding visitor Passage migrant
Afghanistan extant native yes
Albania extant native yes
Armenia extant native yes
Austria extant native yes
Azerbaijan extant native yes
Bahrain extant native yes
Belarus extant native yes
Belgium extant vagrant
Bosnia and Herzegovina extant native yes
Bulgaria extant native yes yes
China (mainland) extant native yes
Congo, The Democratic Republic of the extant vagrant
Croatia extant native yes
Cyprus extant native yes
Czechia extant native yes
Denmark extant native yes
Djibouti extant native
Egypt extant native
Eritrea extant native
Estonia extant native yes
Ethiopia extant native
Faroe Islands (to Denmark) extant native
Finland extant native yes
France extant vagrant
Gambia extant vagrant
Georgia extant native yes
Germany extant native yes
Greece extant native yes yes
Hungary extant native yes
Iceland extant vagrant
Iran, Islamic Republic of extant native yes yes
Iraq extant native yes
Ireland extant vagrant
Israel extant native
Italy extant native yes
Jordan extant native yes
Kazakhstan extant native yes
Kenya extant native
Kuwait extant native yes
Kyrgyzstan extant native yes
Latvia extant native yes
Lebanon extant native yes
Lithuania extant native yes
Malawi extant vagrant
Malta extant vagrant
Moldova extant native yes
Mongolia extant native yes
Montenegro extant native yes
Netherlands extant vagrant
Nigeria extant vagrant
North Macedonia extant native yes
Norway extant native yes
Oman extant native yes
Poland extant native yes
Qatar extant native yes
Romania extant native yes
Russia extant native yes
Russia (Asian) extant native yes
Russia (Central Asian) extant native yes
Russia (European) extant native yes
Saudi Arabia extant native yes
Serbia extant native yes
Sierra Leone extant vagrant
Slovakia extant native yes
Slovenia extant native yes
Somalia extant native
South Sudan extant native yes
Spain extant vagrant
Sudan extant native
Sweden extant native yes
Switzerland extant native yes
Syria extant native yes
Tajikistan extant native yes
Tanzania extant native
Türkiye extant native yes
Turkmenistan extant native yes
Uganda extant native
Ukraine extant native yes
United Arab Emirates extant native yes
United Kingdom extant native yes
Uzbekistan extant native yes
Yemen extant native yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name
Austria Allentsteig military training area
Austria Southern Seewinkel and Zitzmannsdorfer Wiesen
Austria Surroundings of Mattersburg
Austria Western Weinviertel
Bulgaria Belite Skali
Bulgaria Kamchiyska Mountain
Bulgaria Karlukovski Karst
Bulgaria Mesta Valley
Bulgaria Ponor
Bulgaria Provadiysko-Royaksko plateau
Bulgaria Studenets
Bulgaria Vasilyovska Mountain
Croatia Gorski Kotar and Northern Lika
Croatia Lika Karst Fields
Croatia Lower Posavina
Croatia Mount Velebit
Croatia Mt Dinara
Czechia Beskydy mountains
Czechia Doupov hills
Czechia Hovoransko-Cejkovicko
Czechia Krivoklatsko (Krivoklatsko region)
Czechia Lednicke rybniky ponds (Lednice fish-ponds)
Czechia Pálava
Czechia Podyji
Estonia Väinameri
Germany Altengrabower Heide
Germany Coast and lagoons of Western Pomerania
Germany Colblitz-Letzlinger Heide
Germany Deichvorland Oderbruch
Germany Döberitzer Heide
Germany Drennhauser Hinterdeich
Germany Drömling (Niedersachsen)
Germany Drömling (Sachsen-Anhalt)
Germany Elbe lowlands between Schnackenburg and Lauenburg
Germany Glücksburger Heide
Germany Gohrischheide
Germany Landgraben and Dumme lowlands
Germany Lower Oder valley
Germany Lucie and Landwehr
Germany Mecklenburgische Schweiz
Germany Middle Elbe valley with Steckby-Lödderitz forest
Germany Military training area east and west of Jüterbog
Germany Military training area Hohenfels
Germany Peenetal (Peenetalmoor and Anklamer Stadtbruch)
Germany Ponds and Elbe valley near Torgau
Germany Recknitz and Trebel valley
Germany Rodachaue / Itzgrund / Oberes Maintal incl. Nassanger near Trieb and surrounding gravel pits
Germany Saale-Elster valley
Germany Schorfheide-Chorin
Germany Steinhuder Meer
Germany Vorderer Steigerwald - Windsheimer Bucht - Steigerwald-Vorland
Germany Wagbach lowlands
Germany Wahner Heide
Germany Wismar bay and Salzhaff
Italy Middle course of River Brenta
Montenegro Bratogost
Montenegro Bukovica and Vojnik
Montenegro Niksicko polje
Montenegro Pešter
Montenegro Plavsko Lake and Lim and Grncar Valley
Poland Biala Forest
Poland Bialowieza Forest
Poland Bieszczady Mountains
Poland Elblag Height
Poland Lower Vistula River Valley
Poland Przemysl Plateau
Poland Roztocze
Poland Slonne Mountains
Poland Solska Forest
Poland Sudety Wałbrzysko-Kamiennogorskie Mountains
Poland Wizna Swamps
Romania Avrig - Scorei - Făgăraş
Romania Comana
Romania Defileul Inferior al Mureşului
Romania Fizes valley
Romania Kogălniceanu - Gura Ialomiţei
Romania Maglavit
Romania Mures river lower flood-plain
Romania Nerei gorge - Beuşniţa
Romania Piatra Şoimului - Scorţeni - Gârleni
Romania Stepa Saraiu - Horea
Serbia Deliblatska pescara
Serbia Stara mountains
Serbia Svrljisko pobrdje
Serbia Timocko pobrdje
Slovakia Laborecká upland
Slovakia Slanské hills
Slovakia Slovenský karst
Slovakia Tríbeč
Slovakia Vihorlat
Slovenia Lake Cerknica
Slovenia Ljubljansko moor
Slovenia Planina polje
Slovenia River Mura
Slovenia Snežnik plateau and Pivka valley
Türkiye Kızılırmak Delta
Türkiye Yenice forest
Ukraine Lyman lake
Ukraine Mzha river valley
Ukraine Pryp'yat' river valley
Ukraine Samars'kyj forest

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Pastureland suitable breeding
Artificial/Terrestrial Plantations suitable breeding
Forest Subtropical/Tropical Dry suitable non-breeding
Forest Temperate major breeding
Savanna Dry suitable non-breeding
Shrubland Temperate suitable breeding
Altitude   Occasional altitudinal limits  

Recommended citation
BirdLife International (2024) Species factsheet: Barred Warbler Curruca nisoria. Downloaded from https://datazone.birdlife.org/species/factsheet/barred-warbler-curruca-nisoria on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from https://datazone.birdlife.org/species/search on 23/12/2024.