This reed warbler lives in the Marquesas Islands. It has an olive-yellow back and yellow underside and uses gardens and scrub as well as woodland.
The back is olive-yellow and the underside is bright yellow. It has a raised brown crown and a long, slightly down-curved bill.
It uses gardens, scrub, woodland, and dry slopes. It eats insects and lizards and sometimes plants; the eBird identification notes that it avoids deep primary forest.
An extinction-risk assessment has not been added yet.