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Philadelphia Vireo Identification

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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: 4.2-4.9 in (10.7-12.5 cm)
    • Weight: 0.4-0.6 oz (10.3-16.1 g)
    • Wingspan: 7.5-8.3 in (19-21 cm)

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