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LC
Boreal Chickadee Parus hudsonicus

IUCN Red List history

Year Category
2012 Least Concern
2009 Least Concern
2008 Least Concern
2004 Least Concern
2000 Lower Risk/Least Concern
1994 Lower Risk/Least Concern
1988 Lower Risk/Least Concern

Species attributes

Migratory status not a migrant Forest dependency High
Land mass type   Average mass 9.8 g

Distribution

  Estimate Data quality
Extent of Occurrence breeding/resident (km2) 7,100,000 medium
Number of locations -
Fragmentation -

Population & trend

  Estimate Data quality Derivation Year of estimate
No. of mature individuals poor Estimated 2009
Population trend Decreasing -
Number of subpopulations - - -
Largest subpopulation - - -
Generation length (yrs) 4.2 - - -
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

Country/Territory Occurrence status Presence Breeding Non-breeding Passage
Canada Native Extant      
St Pierre and Miquelon (to France) Native Extant      
USA Native Extant Yes    

Habitats & altitude

Habitat (level 1) Habitat (level 2) Importance Occurrence
Forest Boreal major resident
Forest Temperate suitable resident
Altitude 0 - 2070 m Occasional altitudinal limits  

Recommended citation
BirdLife International (2014) Species factsheet: Parus hudsonicus. Downloaded from http://www.birdlife.org on 23/07/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 23/07/2014.

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 Paridae (Tits and chickadees)
Species name author Forster, 1772
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 7,100,000 km2
Country endemic? No
Links to further information
- Summary information on this species