A ‘Viral’ New [WTSP] Bird Song in Canada Is Causing Sparrows to Change Their Tune

Larry Arnold
 


yes, there's a recording, and yes eBird data were used........   =)


From: "Juanita 
To: "Larry Arnold" <larnold47@...>
Sent: Thursday, July 2, 2020 2:12:40 PM
Subject: A ‘Viral’ New Bird Song in Canada Is Causing Sparrows to Change Their Tune

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