This warbler has a fragmented range on Mexico’s Baja California peninsula. BirdLife describes freshwater marshes with reeds and cattails as its main habitat.
BirdLife’s profile image shows an olive-colored body, a yellow crown, and black around the face. This is the appearance of the pictured individual.
BirdLife reports most records within 15 m of water and none more than 50 m away in the cited account. It mainly uses freshwater marshes with reeds and cattails.
An extinction-risk assessment has not been added yet.