Chestnut-backed Chickadee

Chestnut-backed Chickadee - adult

Chestnut-backed Chickadee - juvenile

Chestnut-backed Chickadee - spreading its wings

Chestnut-backed Chickadee - with tool in its mouth (Photo by Sandy Salmons)

Chestnut-backed Chickadee - prying suet with stick (photo by Sandy Salmons)