During this time, the male continues to feed the female and begins to feed the nestlings as well. Nestlings fledge after 19 to 21 days. It is unknown whether the young are dependent upon the par- ents after fledging. If the first nesting attempt fails, pair do pro- duce replacement broods. Species Movement and Dispersal Mountain Chickadees do not migrate.
Some individuals move to lower elevations for the winter months.
The Mountain Chickadees are wide- spread and common with stable numbers. There is no information on juvenile dispersal.