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Merlin Bird ID

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    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
    Measurements
    • Both Sexes
      • Length: 4.3-5.1 in (11-13 cm)
      • Weight: 0.4-0.5 oz (11-13 g)