Which Statement Is TRUE Regarding Vocal Learning in Songbirds

Multiple Choice

Which statement is TRUE regarding vocal learning in songbirds?

A) Baby birds raised without contact with their own species still learn their own song.
B) If young birds are exposed to both the songs of their own species and the songs of a different species, they will readily learn both species' songs.
C) The songs that birds sing are genetically predetermined.
D) The songs that birds sing can show differences in dialect.