Current view: Data table and detailed info
Taxonomic note
Poecile hudsonicus (del Hoyo and Collar 2016) was previously listed as Parus hudsonicus.
Taxonomic source(s)
AOU. 1998. Check-list of North American birds. American Ornithologists' Union, Washington, D.C.
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.
Sibley, C. G.; Monroe, B. L. 1990. Distribution and taxonomy of birds of the world. Yale University Press, New Haven, USA.
IUCN Red list criteria met and history
Red List criteria met
Red List history
Migratory status |
not a migrant |
Forest dependency |
High |
Land mass type |
|
Average mass |
10 g |
Extent of occurrence (EOO)
Trend justification: This species has undergone a large and statistically significant decrease over the last 40 years in North America (-73.3% decline over 40 years, equating to a -28.1% decline per decade; data from Breeding Bird Survey and/or Christmas Bird Count: Butcher a.
Country/territory distribution
Important Bird and Biodiversity Areas (IBA)
Recommended citation
BirdLife International (2021) Species factsheet: Poecile hudsonicus. Downloaded from
http://www.birdlife.org on 09/03/2021.
Recommended citation for factsheets for more than one species: BirdLife International (2021) IUCN Red List for birds. Downloaded from
http://www.birdlife.org on 09/03/2021.