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Common or Red-breasted Mergansers? Gloucester Harbor, MA

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Old Sunday 26th April 2009, 16:04   #1
hbreder
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Common or Red-breasted Mergansers? Gloucester Harbor, MA

I have a hard time differentiating the two species and need help.
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Old Sunday 26th April 2009, 16:06   #2
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these are red-breasted, common are less raggy at the back of the head, have a clear white throat patch, a less fine bill and a clear demarcation between the brown head and pale chest, not a gradual change like on these birds.
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Old Sunday 26th April 2009, 16:17   #3
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Compare to this female common.
aaaaahttp://www.ducks.org/media/_global/_images/waterfowlGallery/Common%20Merganser%20hen_Khansa.jpg

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Old Sunday 26th April 2009, 17:10   #4
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Definately Red-brested. Cool birds.
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Old Monday 27th April 2009, 01:49   #5
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That's what I thought. Thanks so much for your input.
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