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.
sparrow-sized or smallerMeasurements
- 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)
- Color Pattern
- Behavior
- Habitat
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).