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Rusty-necked Piculet Picumnus fuscus

Justification
This species was thought to have a moderately small range which was suspected to be decreasing owing to habitat loss, and within which it was known from few locations. It was consequently classified as Near Threatened. Its range was remapped in 2010 and found to be well above the threshold at which a species may be considered Vulnerable. It has therefore been downlisted to Least Concern.

Taxonomic source(s)
del Hoyo, J.; Collar, N. J.; Christie, D. A.; Elliott, A.; Fishpool, L. D. C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Barcelona, Spain and Cambridge UK: Lynx Edicions and BirdLife International.
SACC. 2006. A classification of the bird species of South America. Available at: #http://www.museum.lsu.edu/~Remsen/SACCBaseline.html#.

Distribution and population
Picumnus fuscus has a moderately small range in várzea forest along the río Guaporé (Iténez) in Beni and Santa Cruz (Noel Kempff Mercado National Park), Bolivia and Rondônia, Brazil (Short 1982, Parker and Rocha 1991, Killeen and Schulenberg 1998). It is poorly known, but observations suggest that it may be relatively common.

Population justification
This is a poorly known species and no population estimates are available.

Trend justification
This species is suspected to lose 12-20.7% of suitable habitat within its distribution over three generations (13 years) based on a model of Amazonian deforestation (Soares-Filho et al. 2006, Bird et al. 2011). It is therefore suspected to decline by <25% over three generations.

Ecology
It is restricted to várzea forest, where it may favour vine tangles and bamboo (Parker and Rocha 1991).

Threats
The río Guaporé is largely uninhabited, and almost continuously forested (Parker and Rocha 1991), but by 1996 there was increasing human colonisation of river banks in the west of the species' range (T. E. H. Stuart in litt. 1998).

Conservation Actions Underway
It occurs in Noel Kempff Mercado National Park, Bolivia. Conservation Actions Proposed
Effectively protect and manage protected areas where the species occurs. Monitor population at strongholds and search for the species in potentially suitable habitat at new sites. Study its ecology and dependence on várzea forest. Evaluate threats to its habitat.

References
Killeen, T. J.; Schulenberg, T. S. 1998. A biological assessment of Parque Nacional Noel Kempff Mercado, Bolivia. Conservation International, Washington, DC.

Parker, T. A.; Rocha, O. 1991. Notes on the status and behaviour of the Rusty-necked Piculet Picumnus fuscus. Bulletin of the British Ornithologists' Club 111: 91-92.

Short, L. L. 1982. Woodpeckers of the world. Delaware Museum of Natural History, Greenville, Delaware.

Stotz, D. F.; Fitzpatrick, J. W.; Parker, T. A.; Moskovits, D. K. 1996. Neotropical birds: ecology and conservation. University of Chicago Press, Chicago.

Further web sources of information
Explore HBW Alive for further information on this species

Search for photos and videos, and hear sounds of this species from the Internet Bird Collection

Text account compilers
Benstead, P., Capper, D., Sharpe, C J, Stuart, T.

Contributors
Stuart, T.

Recommended citation
BirdLife International (2014) Species factsheet: Picumnus fuscus. Downloaded from http://www.birdlife.org on 25/12/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 25/12/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

To provide new information to update this factsheet or to correct any errors, please email BirdLife

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Key facts
Current IUCN Red List category Least Concern
Family Picidae (Woodpeckers)
Species name author Pelzeln, 1870
Population size Unknown mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 11,600 km2
Country endemic? No
Links to further information
- Additional Information on this species