A small South American tyrant flycatcher that uses young riverside vegetation and riparian scrub. In southeastern Peru it is a rare austral migrant, with most records from Madre de Dios.
It is about 10 cm long, mostly gray, with yellowish flanks and lower belly, a white eyebrow, a pale eye-ring, and two pale wing bars on dark coverts.
It feeds in young transitional habitats created by rivers and in riverside scrub. In southeastern Peru it is a rare austral migrant; most Peruvian records are from Madre de Dios.
An extinction-risk assessment has not been added yet.