World Bird List

Species factsheet
Black-capped Chickadee (Poecile atricapillus)

Order: Poecile atricapillus
Family: Tits, Chickadees (Paridae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
turneri c and s Alaska and nw Canada
occidentalis coastal sw Canada and nw USA
fortuitus inland sw Canada and nw USA
septentrionalis w and c Canada to c USA
bartletti Newfoundland
atricapillus e Canada to c and ne USA
garrinus wc USA
nevadensis w USA
practicus Appalachian Mts. (e USA)