Gadwall Identification

The Four Keys to ID

  • Size & Shape

    Gadwall are about the same size as Mallards. Gadwall have a fairly large, square head with a steep forehead. The bill is noticeably thinner than a Mallard's. In flight, the neck is slightly thinner and the wings slightly more slender than a Mallard’s.

    Relative Size

    Slightly smaller than a Mallard; larger than a Green-winged Teal.

    Relative Sizebetween crow and goosebetween crow and goose
    Measurements
    • Both Sexes
      • Length: 18.1-22.4 in (46-57 cm)
      • Weight: 17.6-44.1 oz (500-1250 g)
      • Wingspan: 33.1 in (84 cm)