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Prothonotary Warbler Identification

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The Four Keys to ID

  • Size & Shape

    The Prothonotary Warbler is a large, heavy-bodied warbler with a big head and bill. It has shorter legs and a shorter tail than other warblers. Its bill is heavier and longer than most warblers.

    Relative Size

    Larger than a Carolina Chickadee, smaller than a Song Sparrow.

    Relative Sizesparrow or smallersparrow-sized or smaller

    Measurements
    • Both Sexes