Re: [EXTERNAL] Re: [sbcobirding] Bird Refuge


Nick Lethaby <nlethaby@...>
 

Wim,

 

Thanks for posting this. I have always wondered how to distinguish first-year males from females. Hopefully this will help.

 

Nick

 

From: main@sbcobirding.groups.io [mailto:main@sbcobirding.groups.io] On Behalf Of Wim van Dam
Sent: Friday, March 22, 2019 11:34 AM
To: main@sbcobirding.groups.io
Subject: [EXTERNAL] Re: [sbcobirding] Bird Refuge

 

Related to this: Here is a good article on identifying mergansers
https://cobirds.org/CFO/ColoradoBirds/InTheScope/82.pdf


--
Wim van Dam (Solvang, CA)
SBCO #383: Blue-winged Warbler

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