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  1. B

    Your opinions on a possible Gadwall X Mallard, eastern Pennsylvania, Oct. 26

    Thank you both for your insights and additional pictures/links. They were much appreciated!
  2. B

    Your opinions on a possible Gadwall X Mallard, eastern Pennsylvania, Oct. 26

    Here are the rest of the photos.
  3. B

    Your opinions on a possible Gadwall X Mallard, eastern Pennsylvania, Oct. 26

    Hello all, I saw a duck at Green Lane Reservoir back in late October that struck me as odd. It was definitely mostly Gadwall, but a few features suggested Mallard hybridization to me. First, it had a striking yellow-buff head that contrasted sharply with a dark gray (sometimes green) crown...
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