A tyrant flycatcher of forest edges and waterways, especially in southeastern Brazil. Males are glossy black with a pale bluish bill and red eyes.
About 14.5–15 cm long. Males are glossy black with a red eye and a bluish-white bill tipped black. Females are rufous-brown above and pale below with dark streaking.
It inhabits high-elevation Atlantic and mixed forest, often near water, to about 2,200 m. It eats insects, sallying from a perch or gleaning from foliage. Birds in the southern part of the range move north seasonally.
An extinction-risk assessment has not been added yet.