World Bird List

Species factsheet
Chestnut-backed Chickadee (Poecile rufescens)

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

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
rufescens Alaska through w Canada to n and c California (w USA)
neglectus coastal c California (w USA)
barlowi coastal s California (w USA)
Annoncer