Blackburnian Warbler Identification

The Four Keys to ID

  • Size & Shape

    A typical medium-sized warbler with a short, thin, pointed bill, trim body, and medium-length tail. The overall shape is similar to the widespread Yellow Warbler.

    Relative Size

    Larger than a Northern Parula, slightly smaller than a Yellow-rumped Warbler.

    Relative Sizesparrow or smallersparrow-sized or smaller
    Measurements
    • Both Sexes
      • Length: 4.3-4.7 in (11-12 cm)
      • Weight: 0.3-0.4 oz (8.9-12.6 g)
      • Wingspan: 7.9-9.1 in (20-23 cm)

Regional Differences

None.