Which Male White-Crowned Sparrow Will Sing His Species-Specific Song

Which male white-crowned sparrow will sing his species-specific song?

A) An adult male raised in isolation since a nestling
B) An adult male raised in isolation since a nestling and exposed to tapes of male white-crowned sparrows when six months old
C) An adult male raised in isolation since a nestling and exposed to tapes of male white-crowned sparrows during first two months of life, but deafened before starting to sing his species-specific song
D) An adult male deafened after he starts singing his species-specific song
E) An adult male raised in isolation and exposed to the sights and sounds of a closely related species while recordings of white-crowned sparrow song played on speakers

Correct Answer:

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