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This study investigates age-related changes in the song of Bengalese finches, revealing a decrease in song tempo and alterations in acoustic characteristics such as pitch and frequency modulation as birds age. Despite these changes, no significant morphological differences in vocal muscles were observed, suggesting that neural deterioration may underlie the observed song deterioration. The findings indicate that songbirds can serve as a valuable model for studying the effects of aging on learned vocal behav

Author

hfyuan227

Language

EN