Merlin Bird Graphic

Merlin Bird ID

Try our free app foriOS | AndroidWeb version coming soon!
Recently Viewed Species

    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
      • Both Sexes
        • Length: 5.5 in (14 cm)
        • Weight: 0.5-1.0 oz (13-28 g)
        • Wingspan: 9.4 in (24 cm)