American Tree Sparrow Identification

The Four Keys to ID

  • Size & Shape

    American Tree Sparrows are small, round-headed birds that often fluff out their feathers, making their plump bodies look even chubbier. Among sparrows, they have fairly small bills and long, thin tails.

    Relative Size

    About the size of a House Sparrow.

    Relative Sizesparrow or smallersparrow-sized or smaller
    Measurements
    • Both Sexes
      • Length: 5.5 in (14 cm)
      • Weight: 0.5-1.0 oz (13-28 g)
      • Wingspan: 9.4 in (24 cm)