Hippolais icterina 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Aves Passeriformes Acrocephalidae

Scientific Name: Hippolais icterina (Vieillot, 1817)
Regional Assessments:
Common Name(s):
English Icterine Warbler
French Hypolaïs ictérine
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.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2017
Date Assessed: 2016-10-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Facilitator/Compiler(s): Ashpole, J, Butchart, S., Ekstrom, J.
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). Despite the fact that the population trend appears to be decreasing, the decline is not believed to be sufficiently rapid to approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is extremely large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Countries occurrence:
Albania; Algeria; Angola; Austria; Azerbaijan; Belarus; Belgium; Bosnia and Herzegovina; Botswana; Bulgaria; Chad; Congo; Congo, The Democratic Republic of the; Croatia; Cyprus; Czech Republic; Denmark; Egypt; Eritrea; Estonia; Ethiopia; Finland; France; Gabon; Germany; Greece; Hungary; Iran, Islamic Republic of; Iraq; Ireland; Israel; Italy; Jordan; Kazakhstan; Kenya; Kuwait; Latvia; Lebanon; Libya; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Malawi; Mali; Malta; Mauritania; Moldova; Montenegro; Mozambique; Namibia; Netherlands; Nigeria; Norway; Palestinian Territory, Occupied; Poland; Romania; Russian Federation (Central Asian Russia, European Russia); Rwanda; Saudi Arabia; Serbia; Slovakia; Slovenia; South Africa; Spain; Sudan; Swaziland; Sweden; Switzerland; Syrian Arab Republic; Tanzania, United Republic of; Tunisia; Turkey; Uganda; Ukraine; United Kingdom; Zambia; Zimbabwe
Bahrain; Cameroon; Central African Republic; Côte d'Ivoire; Faroe Islands; Ghana; Gibraltar; Guinea-Bissau; Iceland; Morocco; Niger; Oman; Portugal; Qatar; Seychelles; Somalia; Tajikistan; Togo; United Arab Emirates; Yemen
Additional data:
Continuing decline in area of occupancy (AOO):Unknown
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:6350000
Continuing decline in extent of occurrence (EOO):UnknownExtreme fluctuations in extent of occurrence (EOO):No
Continuing decline in number of locations:Unknown
Extreme fluctuations in the number of locations:No
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:In Europe, the breeding population is estimated to number 3,720,000-6,500,000 pairs, which equates to 7,440,000-13,000,000 mature individuals (BirdLife International 2015). Europe forms 85% of the global range, so a very preliminary estimate of the global population size is 8,750,000-15,300,000 mature individuals, although further validation of this estimate is needed.

Trend Justification:  The population is suspected to be in decline in part owing to competition from H. polyglotta in the west of the range (del Hoyo et al. 2006). In Europe, trends between 1980 and 2013 show that populations have undergone a moderate decline (EBCC 2015).
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:8000000-15999999Continuing decline of mature individuals:Unknown
Extreme fluctuations:NoPopulation severely fragmented:No
Continuing decline in subpopulations:Unknown
Extreme fluctuations in subpopulations:NoAll individuals in one subpopulation:No

Habitat and Ecology [top]

Habitat and Ecology:This species inhabits tall-grown woods of oak (Quercus), birch (Betula), beech (Fagus sylvatica), alder (Alnus) and other deciduous trees, but it is also found in larger parks and gardens, and in stands of young pines (Pinus) if mixed with broadleaf trees. It favours open forest, or dense woods with intermixed glades and undergrowth. Breeding occurs from the end of May to July and clutches are four to five. The nest is a strong cup of grasses, plant stems, moss and soft twigs, often covered with pieces of birch bark, lichens, flowers and similar, partly attached with cobwebs and lined with fine fibres, roots, fur and similar soft material. It is placed in the fork of a tree branch. The diet is mostly insects and other invertebrates but in the summer it also takes fruits and berries. The species is migratory, wintering in Africa, south of the equator (Svensson 2006).
Continuing decline in area, extent and/or quality of habitat:Unknown
Generation Length (years):4
Movement patterns:Full Migrant

Threats [top]

Major Threat(s): Decreases in the west and south-west of it range may be in part due to competition from Hippolais polyglotta, which has spread north and east to become marginally sympatric (Svensson 2006).

Conservation Actions [top]

Conservation Actions: Conservation Actions Underway
CMS Appendix II. Bern Convention Appendix II. There are currently no known conservation measures for this species within Europe.

Conservation Actions Proposed
No conservation measures are currently needed for this species within its European range.

Amended [top]

Amended reason: Map revised.

Citation: BirdLife International. 2017. Hippolais icterina. (amended version published in 2016) The IUCN Red List of Threatened Species 2017: e.T22714916A111100735. . Downloaded on 21 September 2017.
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