What process dictates the vocal behavior (song) of male Zebra Finches?
Answer
It must be learned during a critical period from older male tutors.
The vocal behavior exhibited by male Zebra Finches is a prime illustration of vocal learning, echoing parallels with aspects of human language acquisition. Unlike innate vocalizations, the male Zebra Finch's song is not fully formed at birth or through simple instinct. Instead, males must actively acquire this skill by listening and practicing under the guidance of older, experienced male tutors during a specific, critical developmental window. The quality and complexity achieved during this learning period directly influence their attractiveness to females, establishing the song as a crucial sexually selected trait.
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