ScienceDaily Posted January 17, 2020 Share Posted January 17, 2020 Few singers reach their sunset years with the same voice they had in younger days. Songbirds are no different. New research reveals that elderly swamp sparrows don't sound quite like they used to -- nor do they strike the same fear in other males who may be listening in. Humans are remarkably good at guessing a person's age by their voice. But this is the first time the phenomenon has been demonstrated in wild animals. View the full article Link to comment Share on other sites More sharing options...
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