Pomarine Jaeger Identification

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The Four Keys to ID

  • Size & Shape

    Bulky gull-like seabird; the largest and most barrel chested of the three jaegers. At all ages, note broad wings. Breeding adults are unique with elongated spoon-shaped central tail feathers. Bill is also thicker than other jaegers.

    Relative Size

    Larger than a Parasitic Jaeger; smaller than a Herring Gull.

    Relative Sizebetween crow and goosebetween crow and goose
    Measurements
    • Both Sexes
      • Length: 16.5-24.0 in (42-61 cm)
      • Weight: 18.4-30.1 oz (521-852 g)
      • Wingspan: 45.3-52.0 in (115-132 cm)