Blue-footed Booby Identification

Adult Description

  • Large waterbird.
  • Mostly white with dark wings and mottled back.
  • Tail dusky.
  • Whitish head, with thin dark streaking.
  • Long, pointed, grayish bill.
  • Long pointed tail.
  • Long pointed wings.
  • Dark face.
  • Feet bright blue.

Immature Description

Juvenile dark all over with white belly. Pale at base of underside of wings.
Relative Size

Relative Sizegoose or largergoose-sized or larger
Measurements
  • Both Sexes
    • Length: 31.9 in (81 cm)
    • Weight: 52.9-77.6 oz (1500-2200 g)
    • Wingspan: 62.2 in (158 cm)