This tyrant flycatcher inhabits wet grasslands near marshes. The breeding male is conspicuous for its elongated tail and bare throat, which turns red; females are brown.
Males have a black head, back, and breast, white underparts, and elongated black tail feathers. The bare throat turns pinkish red in the breeding season. Females are brown and streaked.
It lives in wet grassland associated with marshes and needs fairly tall grass for breeding. Its diet includes invertebrates.
An extinction-risk assessment has not been added yet.