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Heermann's Gull Identification

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The Four Keys to ID

  • Size & Shape

    A medium-sized gull with long wings, a fairly rounded head, and a straight, relatively long bill that is less heavy and angled than bills of larger gulls.

    Relative Size

    Larger than a Mew Gull, slightly smaller than a California Gull.

    Relative Sizecrow sizedcrow-sized

    • Both Sexes
      • Length: 18.1-20.9 in (46-53 cm)
      • Weight: 13.1-22.7 oz (371-643 g)
      • Wingspan: 40.9-45.3 in (104-115 cm)