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Chestnut-sided Warbler Identification

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The Four Keys to ID

  • Size & Shape

    An slim warbler with a relatively long tail that it often holds cocked, or raised above the body line, which makes the tail appear longer still.

    Relative Size

    Larger than a Ruby-crowned Kinglet, smaller than a Song Sparrow.

    Relative Sizesparrow or smallersparrow-sized or smaller

    • Both Sexes
      • Length: 4.7-5.5 in (12-14 cm)
      • Weight: 0.4-0.5 oz (10.7-14.3 g)
      • Wingspan: 7.5-8.3 in (19-21 cm)