Thread: Are you sure?????
View Single Post
  #11  
Old 11-17-2009, 11:44 PM
SULPHITE's Avatar
SULPHITE SULPHITE is offline
Entering A World of Pain
  
Join Date: May 2009
Location: Sulphur
Posts: 10,287
Cash: 9,924
Default
A good rule of thumb on speculum coloration to distinguish Mallards from Mottled Ducks and Black Ducks is:


Mallard : 2 white stripes (top and bottom)
Mottled Duck: 1 white stripe (bottom)
Black Duck: 0 white stripes
Reply With Quote