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  1. Larry Sweetland

    Black Ducks ?

    Looks even better for Black Duck, from what can be seen now of the upperwing (no prominent white bar). And the really white underwing is good too :t:
  2. Larry Sweetland

    Black Ducks ?

    If you see them in flight, or flapping their wings, take note of whether or not the speculum has conspicuous white borders. Pure Black Ducks won't.
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