Swainson's Warbler Identification

Adult Description

  • Small songbird.
  • Dull brown and unmarked.
  • Weak white eyestripe.

Immature Description

Immature like adult.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
Measurements
  • Both Sexes
    • Length: 5.1-5.5 in (13-14 cm)
    • Weight: 0.4-0.7 oz (11-20 g)
    • Wingspan: 9.1 in (23 cm)