Merlin

Northern Waterthrush Identification

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The Four Keys to ID

  • Size & Shape

    A large but trim warbler with a short, fine bill, a rather short tail, and long legs. The bill is smaller than Louisiana Waterthrush’s.

    Relative Size

    Larger than a Yellow Warbler, smaller than an Eastern Bluebird.

    Relative Sizesparrow or smallersparrow-sized or smaller
    Measurements
    • Both Sexes
      • Length: 4.7-5.5 in (12-14 cm)
      • Weight: 0.5-0.7 oz (14.7-19.2 g)
      • Wingspan: 8.9-10.0 in (22.5-25.5 cm)