How does vocal learning capacity in songbirds enable repertoire expansion, rather than simple imitation?

💡 Explanation

Sensorimotor feedback allows songbirds to refine their innate song templates, because they can adjust their vocalizations based on auditory input. This process, called 'template matching', enhances their signal repertoire. Therefore, refined sensorimotor mappings expand the repertoire, rather than relying solely on genetic programming or direct inheritance.

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