Ruddy Duck Identification

The Four Keys to ID

  • Size & Shape

    These are small, compact ducks with stout, scoop-shaped bills, and long, stiff tails they often hold cocked upward. They have slightly peaked heads and fairly short, thick necks.

    Relative Size

    Smaller than a Common Goldeneye; larger than a Bufflehead.

    Relative Sizebetween robin and crowbetween robin and crow
    Measurements
    • Both Sexes
      • Length: 13.8-16.9 in (35-43 cm)
      • Weight: 10.6-30.0 oz (300-850 g)
      • Wingspan: 22.1-24.4 in (56-62 cm)