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Old 01-23-2007, 10:47 AM
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duramaxnay6
 
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Join Date: Dec 2006
Location: North Mississippi
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Default RE: American Black Duck or Mottled Duck?
Easiest way is to see if there is a thin white border on the bottom edge of the speculum. Black ducks have no white around the speculum, and the mottled ducks have a thin white border on the bottom edge. Mottled also have a black border where the bill meets the head.
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