Coniferous and mixed forests in humid regions (AOU 1983). Inhabits dense coniferous forests, including shore pine muskegs, or near forests edges where temperature is even and shade exists along the coastal belt with high rainfall and cloudy weather (Grinnell 1904, Gibson 1976, Gibson and MacDonald 1975). In SE Alaska, occurs in mature hemlock/spruce forests. Also inhabits pole and sawtimber seral stages (Gibson 1976, Gibson and MacDonald 1975). In PWS, found in hemlock/spruce forests (Isleib and Kessel 1973).
AOU. 1983. Check-list of North American birds. 6th ed.American Ornithologists’ Union, Washington D. C.
￼￼Gibson, D. D. 1976. Bird species and habitat inventory: Alexander Archipelago, Alaska, summer 1975. University of Alaska Museum Contract Report No. 01-283. U. S. For. Serv. 66pp.
Gibson, D.D. and S.O. MacDonald. 1975. Bird species and habitat inventory, mainland Southeast Alaska, summer 1974. Univ. Alaska Museum report to USDA USFS, no. 01-248. 72 pp.
Grinnell, J. 1904. The origin and distribution of the Chestnut-backed Chickadee. Auk 21: 364-378.
Isleib, M.E., and B. Kessel. 1973. Birds of the north Gulf Coast-Prince William Sound region, Alaska. Biological Papers of the Univ. of Alaska 14. Univ. of Alaska Fairbanks, Fairbanks, AK. 149 pp.