Philadelphia Vireo Identification

Adult Description

  • Small drab songbird.
  • Back grayish green.
  • Cap grayish.
  • Underparts pale yellow, palest on throat and deepest on breast.
  • Eyebrow white.
  • Blackish line through and in front of eye.
  • No wingbars, tail spots, or eyering.

Immature Description

Similar to adult.
Relative Size

Relative Sizesparrow or smallersparrow-sized or smaller
  • Both Sexes
    • Length: 4.3-5.1 in (11-13 cm)
    • Weight: 0.4-0.5 oz (11-13 g)