Northern Gannet Identification

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Adult Description

  • Large waterbird.
  • White with black wingtips.
  • Long pointed bill.
  • Long pointed tail.
  • Long pointed wings.
  • Immatures range from all dark to mostly white.

Immature Description

Juvenile all dark, covered in white spots, and with white rump. Takes three or more years to get adult plumage; immature birds can be a mix of dark and light markings.
Relative Size

Relative Sizegoose or largergoose-sized or larger
  • Both Sexes
    • Length: 31.9-43.3 in (81-110 cm)
    • Weight: 77.6-127.0 oz (2200-3600 g)
    • Wingspan: 68.9-70.5 in (175-179 cm)