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Geraldsh · 05-16-2022, 09:15 AM

For some unknown reason chickadees have begun changing their song after millennia of the same dee-dee-dee. The phenomenon was first discovered in Ontario then noticed in BC and now seems to be spreading to other locations. A baffling mystery!

05-16-2022, 09:15 AM	#174
Geraldsh Powerplay Quarterback Join Date: Jun 2019 Exp:	For some unknown reason chickadees have begun changing their song after millennia of the same dee-dee-dee. The phenomenon was first discovered in Ontario then noticed in BC and now seems to be spreading to other locations. A baffling mystery!