Rhinoceros Auklet Identification

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The Four Keys to ID

  • Size & Shape

    A squat, thickset seabird with a heavy body, a short neck, and a heavy bill with (during breeding season) a short vertical spike near the base. It has broad, pointed wings, short legs, and large, webbed feet.

    Relative Size

    Larger than a Cassin's Auklet, smaller than a Tufted Puffin.

    Relative Sizebetween robin and crowbetween robin and crow
    Measurements
    • 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)