Louisiana Waterthrush Identification

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The Four Keys to ID

  • Size & Shape

    A large, somewhat plump warbler, with a stout bill (bigger than Northern Waterthrush’s), rather short tail, and long legs.

    Relative Size

    Larger than a Yellow Warbler, smaller than an Eastern Bluebird. Slightly larger than Northern Waterthrush.

    Relative Sizesparrow or smallersparrow-sized or smaller
    Measurements
    • Both Sexes
      • Length: 5.9-6.1 in (15-15.5 cm)
      • Weight: 0.6-0.8 oz (18.2-22.9 g)
      • Wingspan: 9.4-10.6 in (24-27 cm)