Skip to main content

Common Eider Identification

Looking for ID Help?

Our free app offers quick ID help with global coverage.

Try Merlin Bird ID

The Four Keys to ID

  • Size & Shape

    A large, heavyset sea duck with a distinctive long, sloping frontal lobe of the bill that extends almost to the crown.

    Relative Size

    Larger than a Surf Scoter, smaller than a Snow Goose.

    Relative Sizebetween crow and goosebetween crow and goose

    • Both Sexes
      • Length: 19.7-28.0 in (50-71.1 cm)
      • Weight: 45.9-92.1 oz (1300-2611 g)
      • Wingspan: 37.4-38.6 in (95-98 cm)