LC
Common Chiffchaff Phylloscopus collybita



Taxonomy

Taxonomic note
Phylloscopus collybita and P. tristis (del Hoyo and Collar 2016) were previously lumped as P. collybita following AERC TAC (2003).

Taxonomic source(s)
del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A., Fishpool, L.D.C., Boesman, P. and Kirwan, G.M. 2016. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 2: Passerines. Lynx Edicions and BirdLife International, Barcelona, Spain and Cambridge, UK.

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

Red List history
Year Category Criteria
2016 Least Concern
Species attributes

Migratory status full migrant Forest dependency Medium
Land mass type Average mass -
Extent of occurrence (EOO)

Estimate Data quality
Extent of Occurrence breeding/resident (km2) 15,300,000 medium
Extent of Occurrence non-breeding (km2) 31,300,000 medium
Number of locations -
Fragmentation -
Population and trend
Estimate Data quality Derivation Year of estimate
No. of mature individuals 10000000-500000000 medium estimated 2012
Population trend Increasing suspected -
Decline (3 years/1 generation past) - - -
Decline (5 years/1 generation past) - - -
Decline (10 years/1 generation past) - - -
Decline (10 years/3 generation future) - - -
Decline (10 years/3 generation past and future) - - -
Number of subpopulations - - -
Largest subpopulations - - -
Generation length (yrs) 3.6 - - -

Population justification: In Europe, the breeding population is estimated to number 41,000,000-59,500,000 pairs, which equates to 81,900,000-119,000,000 mature individuals (BirdLife International 2015). It is therefore likely that the global population falls in the band 10,000,000-500,000,000 mature individuals.

Trend justification: In Europe, trends between 1980 and 2013 show that populations have undergone a moderate increase (EBCC 2015).


Country/territory distribution
Country/Territory Occurrence status Presence Resident Breeding Non-breeding Passage
Albania N Extant Yes
Algeria N Extant Yes
Andorra N Extant Yes
Armenia N Extant Yes
Austria N Extant Yes
Azerbaijan N Extant Yes
Belarus N Extant Yes
Belgium N Extant Yes
Benin N Extant Yes
Bosnia and Herzegovina N Extant Yes
Bulgaria N Extant Yes
Burkina Faso N Extant Yes
Cameroon V Extant
Chad V Extant
Congo, The Democratic Republic of the V Extant
Côte d'Ivoire V Extant
Croatia N Extant Yes
Cyprus N Extant Yes
Czech Republic N Extant Yes
Denmark N Extant Yes Yes
Djibouti N Extant Yes
Egypt N Extant Yes
Eritrea N Extant Yes
Estonia N Extant Yes
Ethiopia N Extant Yes
Faroe Islands (to Denmark) N Extant Yes
Finland N Extant Yes Yes
France N Extant Yes
Gambia N Extant Yes
Georgia N Extant Yes
Germany N Extant Yes Yes
Ghana N Extant Yes
Gibraltar (to UK) N Extant Yes
Greece N Extant Yes Yes
Guinea N Extant
Guinea-Bissau N Extant
Hungary N Extant Yes
Iceland N Extant
Iraq N Extant Yes Yes
Ireland N Extant Yes
Israel N Extant Yes
Italy N Extant Yes
Jordan N Extant Yes Yes
Kenya N Extant Yes
Latvia N Extant Yes
Lebanon N Extant Yes Yes
Libya N Extant Yes
Liechtenstein N Extant Yes
Lithuania N Extant Yes
Luxembourg N Extant Yes
Macedonia, the former Yugoslav Republic of N Extant Yes
Mali N Extant Yes
Malta N Extant Yes
Mauritania N Extant Yes
Moldova N Extant Yes
Montenegro N Extant Yes
Morocco N Extant Yes
Netherlands N Extant Yes
Niger N Extant Yes
Nigeria N Extant Yes
Norway N Extant Yes
Palestinian Authority Territories N Extant Yes Yes
Poland N Extant Yes
Portugal N Extant Yes
Romania N Extant Yes
Russia N Extant Yes
Russia (European) N Extant Yes
Rwanda N Extant Yes
Saudi Arabia N Extant Yes Yes
Senegal N Extant Yes
Serbia N Extant Yes
Seychelles V Extant
Slovakia N Extant Yes
Slovenia N Extant Yes
Somalia N Extant Yes
South Sudan N Extant Yes
Spain N Extant Yes
Sudan N Extant Yes
Sweden N Extant Yes
Switzerland N Extant Yes
Syria N Extant Yes Yes
Tanzania N Extant Yes
Tunisia N Extant Yes
Turkey N Extant Yes
Uganda N Extant Yes
Ukraine N Extant Yes Yes
United Kingdom N Extant Yes
Western Sahara N Extant Yes
Yemen N Extant Yes Yes

Important Bird and Biodiversity Areas (IBA)
Country/Territory IBA Name

Habitats & altitude
Habitat (level 1) Habitat (level 2) Importance Occurrence
Artificial/Terrestrial Rural Gardens suitable non-breeding
Forest Boreal suitable breeding
Forest Subtropical/Tropical Mangrove Vegetation Above High Tide Level suitable non-breeding
Forest Subtropical/Tropical Moist Montane suitable non-breeding
Forest Temperate suitable breeding
Forest Temperate suitable non-breeding
Savanna Dry suitable non-breeding
Shrubland Mediterranean-type Shrubby Vegetation suitable non-breeding
Shrubland Subtropical/Tropical Dry suitable non-breeding
Wetlands (inland) Freshwater Springs and Oases suitable non-breeding
Wetlands (inland) Permanent Rivers/Streams/Creeks (includes waterfalls) suitable non-breeding
Wetlands (inland) Seasonal/Intermittent Freshwater Marshes/Pools (under 8ha) suitable non-breeding
Wetlands (inland) Shrub Dominated Wetlands suitable non-breeding
Altitude 0 - 3300 m Occasional altitudinal limits  

Threats & impact
Threat (level 1) Threat (level 2) Impact and Stresses
Agriculture & aquaculture Annual & perennial non-timber crops Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Indirect ecosystem effects
Climate change & severe weather Droughts Timing Scope Severity Impact
Ongoing Minority (<50%) Causing/Could cause fluctuations Low Impact: 5
Stresses
Ecosystem degradation
Climate change & severe weather Habitat shifting & alteration Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Indirect ecosystem effects
Invasive and other problematic species, genes & diseases Problematic native species/diseases Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Competition
Invasive and other problematic species, genes & diseases Problematic native species/diseases Timing Scope Severity Impact
Ongoing Minority (<50%) Slow, Significant Declines Low Impact: 5
Stresses
Competition

Recommended citation
BirdLife International (2017) Species factsheet: Phylloscopus collybita. Downloaded from http://www.birdlife.org on 18/10/2017. Recommended citation for factsheets for more than one species: BirdLife International (2017) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/10/2017.