Red-breasted or Common Merganser at Lake Anza


Claude Lyneis
 

At Lake Anza this afternoon I thought it was a Red-breasted Merganser, but the more I look at it, I am leaning toward a Common Merganser.  The iBird photos don’t make it clear.

Here is the link.  https://flic.kr/p/2kLWZoM

If there is a defining difference, let me know.

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