MacGillivray's Warbler Identification

Adult Description

  • Small songbird.
  • Slate-gray hood, covering head, nape, and throat.
  • White eye-arcs.
  • Olive-green back and wings.
  • Yellow chest and belly.

Male Description

Dark gray head, throat, and upper breast. Diffuse black markings on upper breast. Bold white crescents above and below eye. Olive back and wings. Yellow belly and flanks. Pinkish or brownish legs.

Female Description

Pale gray-olive head, throat and upper breast. Subtle white eye-arcs. Olive upperparts. Yellow underparts.

Immature Description

Similar to adult female, but may be duller with slightly paler throat.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
  • Both Sexes
    • Length: 3.9-5.9 in (10-15 cm)
    • Weight: 0.3-0.5 oz (9-13 g)
    • Wingspan: 7.5 in (19 cm)