The Carolina Chickadee use a cavity to rear its young.  It can make a nest hole in very soft wood but prefers to use a natural cavity, old woodpecker hole, or a man made nest box.

The Carolina Chickadee use a cavity to rear its young. It can make a nest hole in very soft wood but prefers to use a natural cavity, old woodpecker hole, or a man made nest box.

Carolina Chickadee nest in a Bluebird Nest Box.

Note that a Chickadee's nest base is made of moss with a cup on top made of fine roots and other fine material.

Chickadee nest with eggs. They are small birds, but nests usually have from 6 to 8 eggs. They normally only nest once a year.

Chickadee nestlings.

A cavity made in soft wood by a Chickadee.