• Skip to Content
  • Skip to Main Navigation
  • Skip to Local Navigation
  • Skip to Search
  • Skip to Sitemap
  • Skip to Footer

Rhinoceros Auklet


IUCN Conservation Status: Least Concern

Rhinoceros Auklet Photo

Named for the vertical white plate at the base of its bill, the Rhinoceros Auklet is a bird of the coastlines and open seas of the north Pacific. The only member of its genus, it is closely related to puffins.


Typical Voice

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."

Range Map Help

Rhinoceros Auklet Range Map
View dynamic map of eBird sightings

Field MarksHelp

  • Nonbreeding adult

    Rhinoceros Auklet

    Nonbreeding adult
    • © Hawkperson, Monterey Bay, California, September 2013
  • Breeding adult

    Rhinoceros Auklet

    Breeding adult
    • © Cdbtx, San Juan Islands, Washington, July 2008
  • Nonbreeding adult

    Rhinoceros Auklet

    Nonbreeding adult
    • © Penny Hall, British Columbia, Canada, November 2011

Similar Species

  • Tufted Puffin and Horned Puffin are heavier, with much larger bills.
  • Other auklets are smaller, with shorter bills.
  • Murres have white throats, bellies, and flanks.



    Or Browse Bird Guide by Family, Name or Shape
    bird image Blue-winged Warbler by Brian Sullivan

    The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. You can unsubscribe at any time. We will never sell or give your email address to others.