- Poecile rufescens
Identification
(3.9-4.7 in) 11.5–12.5 cm
- Chestnut back, sides, flanks, and rump
- Pale grey white underparts
- Dark blackish-brown cap
- Black bib
- White cheeks
- White belly
Sexes and juveniles alike
Variations
Southern populations have reduced rufous color on their flanks.
Distribution
Coastal pacific states from central California north to Alaska. Also found in Idaho and western Montana.
Taxonomy
Subspecies[1]
This is a polytypic species consisting of three subspecies:
- P. r. rufescens:
- Alaska to coastal central California and Sierra Nevada of northern California
- P. r. neglectus:
- Coastal California (south-western Marin County)
- P. r. barlowi:
- Coastal southern California (San Francisco Bay to Santa Barbara Co.)
Habitat
Found in coniferous forests, especially of Douglas fir, and mixed and deciduous woodlands. Visits backyard feeders.
Behaviour
Breeding
It nests in cavities, using fur and hair from deer, rabbits or coyotes. The clutch consists of 5-8 eggs.
Diet
The diet includes insects, invertebrates, conifer seeds and fruit.
Vocalisation
Like its close relative, the Boreal Chickadee, this species lacks a whistled song. Main call is a rapid-fire complex "chick-a-dee."
Movements
Mostly resident
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Wikipedia contributors. (2020, April 17). Chestnut-backed chickadee. In Wikipedia, The Free Encyclopedia. Retrieved 08:09, April 22, 2020, from https://en.wikipedia.org/w/index.php?title=Chestnut-backed_chickadee&oldid=951471721
- BirdForum Member observations
- Dahlsten, D. L., L. A. Brennan, D. A. McCallum, and S. L. Gaunt (2020). Chestnut-backed Chickadee (Poecile rufescens), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.chbchi.01
- Gosler, A. & Clement, P. (2020). Chestnut-backed Chickadee (Poecile rufescens). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/59869 on 22 April 2020).
Recommended Citation
- BirdForum Opus contributors. (2025) Chestnut-backed Chickadee. In: BirdForum, the forum for wild birds and birding. Retrieved 11 May 2025 from https://www.birdforum.net/opus/Chestnut-backed_Chickadee
External Links
GSearch checked for 2020 platform.1