Black-throated Green Warbler Identification

Adult Description

  • Small songbird.
  • Black in throat, extending as stripes down sides of chest.
  • Yellow face.
  • Crown and back olive green.
  • Two white wingbars.
  • Belly white.

Male Description

Yellow face, with olive-green crown and ear patches. Green mantle. Two white bars on each wing. Black chin, throat, and breast, with bold streaks on the flanks.

Female Description

Similar to male, but chin and upper throat are white or pale yellow; black may be broken across middle of breast.

Immature Description

In first fall and winter, very similar to adult female, but with brighter yellow face and yellow-tinged underparts.
Relative Size

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 (7-11 g)
    • Wingspan: 6.7-7.9 in (17-20 cm)