-
Born with crude template song (innate component), a basic outline to prevent them from learning song of wrong species.
-
Vital to individual's success because it listens and practices calls of birds of the same species in the same area. Basically, it 'modifies' its own song. Also, imprinting occurs during this period.
-
Song learning continues
-
-
-
The improved template is now specific to the local dialect.
-
Subsong begins
-