Prothonotary Warbler Identification

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