The IUCN Red List of Threatened Species

Picoides tridactylus

 – Least Concern

Taxonomy

Kingdom: ANIMALIA
Phylum: CHORDATA
Class: AVES
Order: PICIFORMES
Family: PICIDAE
Scientific Name: Picoides tridactylus
Species Authority: (Linnaeus, 1758)
Common Name/s:
EnglishTHREE-TOED WOODPECKER
Taxonomic Notes: Picoides tridactylus (Sibley and Monroe 1990, 1993) has been split into P. tridactylus and P. dorsalis following AOU (2003).

Assessment Information

Red List Category & Criteria: LC    ver 3.1 (2001)
Year Assessed: 2006
Assessor/s: BirdLife International
Evaluator/s: Butchart, S. & Pilgrim, J. (BirdLife International Red List Authority)

Geographic Range

Range Description: Picoides tridactylus has a large range across boreal Eurasia, with isolated resident populations in mountains to the south, including the Alps, Altai, and Tien Shan. The estimated global Extent of Occurrence is >10,000,000 km². It inhabits mature conifer forests, particularly spruce Picea spp., and is somewhat irruptive, being found commonly where disturbance such as fire has caused local outbreaks of insects4. It is presumed to have a large global population, corresponding to its range. Large-scale commercial logging and modern forestry management practices, including fire suppression and removal of dead or insect-infested trees, have led to declines of American Three-toed Woodpecker P. dorsalis2,3, and are also likely to have led to declines of this species. Although declines occurred in parts of its European range from 1970-2000, it has been stable across much of its European range from 1990-20001. Globally it is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e. declining more than 30% in ten years or three generations). For these reasons, the species is evaluated as Least Concern.
Countries: Native:

Albania; Austria; Belarus; Bosnia and Herzegovina; Bulgaria; China; Croatia; Czech Republic; Estonia; Finland; France; Germany; Greece; Italy; Japan; Kazakhstan; Korea, Democratic People's Republic of; Latvia; Liechtenstein; Lithuania; Macedonia, the former Yugoslav Republic of; Mongolia; Montenegro; Norway; Poland; Romania; Russian Federation; Serbia; Slovakia; Slovenia; Spain; Sweden; Switzerland; Ukraine


Vagrant:

Denmark; Hungary

Habitat and Ecology

System: Terrestrial

Citation: BirdLife International 2006. Picoides tridactylus. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 29 August 2008.
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