Black Scoter Identification

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The Four Keys to ID

  • Size & Shape

    A stocky, medium-sized seaduck with a short tail, rounded head, and a broad bill that does not slope up to the forehead, as the Surf Scoter's bill does. Male Black Scoters have a rounded knob at the base of the bill.

    Relative Size

    Larger than a Long-tailed Duck, smaller than a White-winged Scoter.

    Relative Sizecrow sizedcrow-sized
    Measurements
    • Male
      • Length: 16.9-19.3 in (43-49 cm)
      • Weight: 30.4-38.8 oz (862-1100 g)
      • Wingspan: 27.6-28.4 in (70-72 cm)
    • Female