Merlin Bird Graphic

Merlin Bird ID

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    Rhinoceros Auklet Identification

    Adult Description

    Medium-sized, stocky waterbird. All dark gray, except for white belly. Breeding adult has vertical white projection at base of orange bill, and two thin white plumes on face.

    Immature Description

    Similar to non-breeding adult, with dusky bill and a reduced "horn."
    Relative Size

    Relative Sizebetween robin and crowbetween robin and crow
    • Both Sexes
      • Length: 11.0-11.4 in (28-29 cm)
      • Weight: 12.3-21.9 oz (350-620 g)
      • Wingspan: 23.2-24.4 in (59-62 cm)