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Gull-billed Tern Identification

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The Four Keys to ID

  • Size & Shape

    Gull-billed Terns are medium-sized terns with long, narrow, pointed wings. Compared to other terns, they have a thick bill, and a fairly short tail with a shallow fork.

    Relative Size

    Larger than a Common Tern, smaller than a Royal Tern.

    Relative Sizebetween robin and crowbetween robin and crow

    • Both Sexes
      • Length: 13.0-15.0 in (33-38 cm)
      • Weight: 5.3-7.2 oz (150-205 g)
      • Wingspan: 33.5-45.3 in (85-115 cm)