Date: 11/8/20 4:08 am
From: Donna Stumpp <donna.stumpp...>
Subject: [cobirds] Re: Standley Lake (Jeffco) - A study in loons and a couple RNGR
Here are the Red-necked Grebe pics. I'm curious if more experienced birders
know if the bill size difference is just variation in adults in basic
plumage, or if one might be a first winter.

[image: DSTU0573 - RNGR.JPG][image: DSTU0588 - RNGR2 best.JPG]
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[image: DSTU0635 - RNGR both best.JPG]



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