In a message dated 4/6/2008 5:05:17 PM Eastern Daylight Time,  
 writes:

Are you  saying that you've seen Common Merg with young this far south
before? Your  picture sent me scrambling for the Atlas and Common Merg isn't
even listed  as a breeding bird for Maryland and/or D.C.



While on the C & O May count on May 14, 2005, we observed 32  to 35 Common 
Mergansers chicks on a rock in the Potomac between Pennyfield and  Violet locks 
with two adult females nearby. For the past several years, I have  been 
observing Common Mergansers on the Potomac from the banks of Riverbend Park  in 
Great Falls VA. throughout the year including late spring and  summer.  
 
Ralph Wall
Great Falls, VA 



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