|Scientific Name:||Poecile palustris|
|Species Authority:||(Linnaeus, 1758)|
Parus palustris Linnaeus, 1758
|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.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Butchart, S. & Symes, A.|
|Facilitator/Compiler(s):||Calvert, R., Symes, A., Ashpole, 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:|
Native:Albania; Andorra; Austria; Belarus; Belgium; Bosnia and Herzegovina; Bulgaria; China; Croatia; Czech Republic; Denmark; Estonia; France; Germany; Greece; Hungary; Italy; Japan; Kazakhstan; Korea, Democratic People's Republic of; Korea, Republic of; Latvia; Liechtenstein; Lithuania; Luxembourg; Macedonia, the former Yugoslav Republic of; Moldova; Mongolia; Montenegro; Netherlands; Norway; Poland; Romania; Russian Federation; Serbia (Serbia); Slovakia; Slovenia; Spain; Sweden; Switzerland; Turkey; Ukraine; United Kingdom
Vagrant:Finland; Ireland; Portugal
Present - origin uncertain:Afghanistan
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||In Europe, the breeding population is estimated to number 2,910,000-5,740,000 pairs, which equates to 5,830,000-11,500,000 mature individuals (BirdLife International 2015). Europe forms c.55% of the global range, so a very preliminary estimate of the global population size is 10,600,000-20,900,000 mature individuals, although further validation of this estimate is needed.|
Trend Justification: The population is estimated to be in decline following local decreases (del Hoyo et al. 2007). In Europe, trends between 1980 and 2013 show that populations have undergone a moderate decline (EBCC 2015).
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||The species inhabits lowland to submontane and montane mature deciduous woodland and forest with a relatively high proportion of dead or rotting trees and open undergrowth. It is often found in large areas of oak (Quercus) and beech (Fagus), also mixed forest, riverine alder (Alnus) carr, and forests of poplar (Populus), birch (Betula), willow (Salix) and bird cherry (Prunus padus) and is also occasionally seen in wooded edges of cultivation, orchards, parks and large gardens. It uses the edge of reedbeds and in western China it uses riverine willows and scrub in deep valleys in the non-breeding season, otherwise it has no preference for marshes, damp areas or urban areas. Outside the breeding season it may use conifers and rural gardens (Gosler et al. 2013). It breeds from late March to June and is monogamous, pairing for life. The nest is a cup or pad of moss, plant material, animal hair and feathers, in a hole in a tree or stump or among upturned tree roots. It also less frequently uses a cavity in a wall or a hole in the the ground. Clutches are generally five to ten eggs. It feeds chiefly on small invertebrates as well as vegetable matter, including fruits and seeds. The species is mostly resident, although juveniles undertake short-distance post-breeding dispersal (Gosler et al. 2013).|
|Systems:||Terrestrial; Freshwater; Marine|
|Continuing decline in area, extent and/or quality of habitat:||Unknown|
|Generation Length (years):||4.2|
|Movement patterns:||Not a Migrant|
|Major Threat(s):||The species suffers from habitat loss and fragmentation through urbanisation, agricultural intensification and the replacement of deciduous forest with coniferous. Severe winters cause mortality and are a particular threat to small isolated populations. The species’s extremely low colonization rate means although suitable habitat areas may exist, they may not be colonized for a long time (Hagemeijer and Blair 1997). Increased predator pressure (Siriwardena 2006) and competition from other parids may affect the species (Perrins 2003).|
Conservation Actions Underway
Bern Convention Appendix II. Research has focused on the causes of declines despite high breeding success and apparent improvements in habitat quality (Broughton and Hinsley 2015).
Conservation Actions Proposed
Conservation measures should aim to expand woodland cover to secure and link existing populations and where possible woods should be allowed to reach a natural climax stage. Hedgerows should be conserved and more planted to facilitate dispersal; it is suggested that local measures should ensure gaps of 100 m or more be closed up with new hedgerows or ‘stepping stone’ patches of hedge. Large numbers of nestboxes in a wood may do more to encourage populations of other parids to the detriment of this species. Translocations may be a potential future tool to enable colonisation (Broughton and Hinsley 2015).
|Citation:||BirdLife International. 2016. Poecile palustris. The IUCN Red List of Threatened Species 2016: e.T22735995A87401295.Downloaded on 01 March 2017.|
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