Try googling " junco plumage age sex"
Some helpful resources come up...one from Chipper Woods Bird Observatory and another from McGill Bird Observatory.
From: Vermont Birds [mailto:[log in to unmask]] On Behalf Of Barbara Powers
Sent: Thursday, January 21, 2016 12:26 AM
To: [log in to unmask]
Subject: [VTBIRD] Juncos
Is there any field marks to look for to tell males from females when looking at juncos? Thanks for your input.
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