Adult Description
- Small songbird.
- Underparts entirely yellow.
- Back olive green.
- Black "sideburns" down side of face and throat.
- Yellow eyestripe wrapping around back of eye to form spectacles.
- No wingbars or tail spots.
Immature Description
Immature like adult, but duller.Relative Size

sparrow-sized or smallerMeasurements
- Both Sexes
- Length: 5.1 in (13 cm)
- Weight: 0.3-0.5 oz (10-14 g)
- Wingspan: 7.1-8.7 in (18-22 cm)