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Cinclus cinclus 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Aves Passeriformes Cinclidae

Scientific Name: Cinclus cinclus
Species Authority: (Linnaeus, 1758)
Regional Assessments:
Common Name(s):
English White-throated Dipper, Dipper
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: 2016
Date Assessed: 2016-10-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Facilitator/Compiler(s): Butchart, S., Ekstrom, J., Khwaja, N., Symes, A., Ashpole, J
Justification:
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). The population trend appears to be decreasing, however the rate of decline is not believed 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]

Range Description:This species is patchily distributed across Eurasia, occurring in the U.K., Norway, Sweden, Finland, Russia, France, Portugal, Spain, Italy, Belgium, Luxembourg, Switzerland, Germany, Liechtenstein, Austria, Slovenia, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Kosovo, Albania, The Former Yugoslav Republic of Macedonia, Bulgaria, Greece, Morocco, Algeria, Tunisia, Turkey, Armenia, Azerbaijan, Georgia, Iran, Iraq, Lebanon, Syria, Kazakhstan, Uzbekistan, Kyrgyzstan, Turkmenistan, Tajikistan, Afghanistan, Pakistan, China, Mongolia, India, Nepal and Bhutan (del Hoyo et al. 2005). The subspecies olympicus, formerly endemic to Cyprus, became extinct in 1945 (Flint and Stewart 1983).
Countries occurrence:
Native:
Afghanistan; Albania; Algeria; Andorra; Armenia (Armenia); Austria; Azerbaijan; Belarus; Belgium; Bhutan; Bosnia and Herzegovina; Bulgaria; China; Croatia; Czech Republic; Denmark; Estonia; Finland; France; Georgia; Germany; Greece; Hungary; India; Iran, Islamic Republic of; Iraq; Ireland; Italy; Kazakhstan; Kyrgyzstan; Latvia; Lebanon; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Mongolia; Montenegro; Morocco; Myanmar; Nepal; Netherlands; Norway; Pakistan; Poland; Portugal; Romania; Russian Federation; Serbia (Serbia); Slovakia; Slovenia; Spain; Sweden; Switzerland; Tajikistan; Turkey; Turkmenistan; Ukraine; United Kingdom; Uzbekistan
Regionally extinct:
Cyprus
Vagrant:
Faroe Islands; Malta; Tunisia
Additional data:
Continuing decline in area of occupancy (AOO):Unknown
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:36100000
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 131,000-292,000 pairs, which equates to 261,000-584,000 mature individuals (BirdLife International 2015). Europe forms c.35% of the global range, so a very preliminary estimate of the global population size is 740,000-1,700,000 mature individuals, although further validation of this estimate is needed.

Trend Justification:  In Europe the population size is estimated to be decreasing by less than 25% in 12.3 years (three generations) (BirdLife International 2015).
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:700000-1699999Continuing 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 occupies fast-flowing, clear-water rocky streams and rivers with riffles and exposed rocks, and with abundant invertebrate prey. It also uses shallow watercourses in broadleaf woodland, in semi-natural forest and on open moorland and glacial lakes. It requires rocky cliffs or artificial sites, such as bridges, for breeding. During the non-breeding season it is sometimes found around slower-flowing lowland rivers and seashores. Egg-laying occurs from February to June in the British Isles, mid-March to May in north-west and central Europe, early May to early June in Scandinavia, mid-March to May in north-west Africa, April-July in northern Asia and mid-February to August in southern Asia. The nest is a large globular structure with a side entrance hole, made mainly of moss and lined with dry leaves. It is set in a in rock crevice or cliff ledge, in masonry or on ledge in wall or under bridge, sometimes behind waterfall and rarely in tree but almost invariably over running water. Clutches are generally three to six eggs. It feeds on freshwater insects and larvae and rarely on marine invertebrates in coastal areas. The species is resident but undergoes some post-breeding movement from high altitudes to more lowland rivers or sometimes to the coast (Ormerod et al. 2015).
Systems:Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat:Unknown
Generation Length (years):4.1
Movement patterns:Full Migrant

Threats [top]

Major Threat(s): The status and abundance of this species is strongly reflected by the water quality and habitat structure of rivers. Pollution that adversely affects aquatic prey also has an impact on dippers. Chemical pollution, from acidification ("acid rain"), industry, organic effluent, sheep dips and other xenobiotic substances, are potential threats. Recovery from pollution can take decades, even centuries. In Germany and Poland, declines have been directly attributed to industrial pollution. In southern Europe and elsewhere, hydro-electric and irrigation schemes are thought to be causing declines by reducing flow rates in watercourses. In addition habitat degradation, water abstraction and water impoundment are also threats in parts of its range (Ormerod et al. 2015).

Conservation Actions [top]

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

Conservation Actions Proposed
Although the species is not currently threatened it would likely benefit from the protection of its favoured water courses and the prevention of water management in these areas.

Citation: BirdLife International. 2016. Cinclus cinclus. The IUCN Red List of Threatened Species 2016: e.T22708156A87941635. . Downloaded on 18 August 2017.
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