Mourning Warbler Identification

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Adult Description

  • Small songbird.
  • Complete gray hood with broken black patch at base of chest.
  • Yellow belly and vent.
  • Plain olive back and wings.

Immature Description

Similar to adult female, but with mixed gray and green plumage in crown, throat usually yellow with gray sides, and a broken white eyering.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
  • Both Sexes
    • Length: 3.9-5.9 in (10-15 cm)
    • Weight: 0.4-0.5 oz (11-13 g)
    • Wingspan: 7.1 in (18 cm)