Merlin

Hutton's Vireo Identification

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The Four Keys to ID

  • Size & Shape

    A small vireo with a large head, short bill, rather short wings, and a moderately long tail.

    Relative Size

    Larger than a Ruby-crowned Kinglet, smaller than a Cassin’s Vireo.

    Relative Sizesparrow or smallersparrow-sized or smaller
    Measurements
    • Both Sexes
      • Length: 3.9-4.7 in (10-12 cm)
      • Weight: 0.3-0.5 oz (9-15 g)
      • Wingspan: 7.5-8.3 in (19-21 cm)

Regional Differences

Twelve subspecies have been named. They differ in plumage tones, with coastal subspecies more richly colored (greenish) and interior subspecies from arid environments paler (more grayish).