Merlin Bird Graphic

Merlin Bird ID

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    Masked Booby Identification

    Adult Description

    • Large waterbird.
    • White with black tail and black along back of wings.
    • Long, pointed, yellowish bill.
    • Long pointed tail.
    • Long pointed wings.
    • Dark face mask.

    Immature Description

    Juvenile has dark head, back, and wings, with a white collar, a white rump, and a clean white underside.
    Relative Size

    Relative Sizegoose or largergoose-sized or larger
    • Both Sexes
      • Length: 29.1-33.9 in (74-86 cm)
      • Weight: 45.9-82.9 oz (1300-2350 g)
      • Wingspan: 63.0 in (160 cm)