Date: 11/15/20 10:54 am
From: Andy Thomas <dmarc-noreply...> (Redacted sender adt0611 for DMARC)
Subject: [obol] Townsend's Warbler question
Is it possible to determine the sex of immature TOWAs in the field this time of year? Last year I thought I had males and females at about 1:2 ratio. Later in the season I began to see some of the "females" molt into male plumage. I'd like to get it right the first time if possible.
Andrew ThomasWest Linn (Clackamas)

 
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