black cap, chin, and throat, white face (Oregon, USA; 2010-11-23)
Chestnut-backed Chickadee Poecile rufescens
Native Range: North America
Notes:
common in coniferous woods and mixed forests of the western USA and Canada; distinctive chestnut-colored back distinguishes this species from all other chickadees.
frontal view; white belly (Oregon, USA; 2010-11-23)
chestnut back and sides; small conical bill (Oregon, USA; 2010-11-23)
no sexual dimorphism (California, USA; 2009-06-22)