Good reading if you want to hear those thin, wispy warbler songs and call notes (or anything else for that matter) when you get older – and in the context of this New York Times article that applies to everyone older than one day.
Click on the following link to read the article:
What Causes Hearing Loss
mocosocoBirds 
Why did you wait so many years to tell me this? I might have turned down that transistor radio when my mother told me to! 🙂