Skip to Content

Razorbill Identification

Looking for ID Help?

Get Instant ID help for 650+ North American birds.

Try Merlin Bird ID

The Four Keys to ID

  • Size & Shape

    A thickset seabird with narrow wings, rather long tail, short neck, large head, and unique, thick, broad-tipped “razor” bill. Immatures have smaller bills than adults.

    Relative Size

    Larger than a Black Guillemot, smaller than a Common Eider.

    Relative Sizecrow sizedcrow-sized
    • Both Sexes
      • Length: 16.9 in (43 cm)
      • Weight: 17.8-31.4 oz (505-890 g)
      • Wingspan: 24.8-26.8 in (63-68 cm)

Regional Differences

Ornithologists recognize two subspecies that differ in size: the larger torda nests from North America east to northwestern Russia, and the smaller islandica of Iceland, the Faroe Islands, and the British Isles.

Need Bird ID Help? Try Merlin

Close Merlin