Knipolegus is a genus of South American birds, the black tyrants, in the tyrant flycatcher family Tyrannidae.
The genus was erected by the German zoologist Friedrich Boie in 1826 with the blue-billed black tyrant as the type species. The genus name combines the Ancient Greek knips meaning "insect" and legō meaning "to pick". Species The genus contains the following 12 species: Image Common name Scientific name Distribution Blue-billed black tyrant Knipolegus cyanirostris Argentina, Bolivia, Brazil, Paraguay, and Uruguay. Jelski's black tyrant Knipolegus signatus Peru Plumbeous tyrant Knipolegus cabanisi southeastern Peru, western Bolivia and northern Argentina. Cinereous tyrant Knipolegus striaticeps Bolivia, western Paraguay, northern Argentina White-winged black tyrant Knipolegus aterrimus Argentina, Bolivia, Chile, Paraguay, Peru, and Uruguay. Hudson's black tyrant Knipolegus hudsoni central Argentina and winters northwards, reaching Bolivia and Paraguay. Rufous-tailed tyrant Knipolegus poecilurus Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. Riverside tyrant Knipolegus orenocensis Brazil, Colombia, Ecuador, Peru, and Venezuela. Amazonian black tyrant Knipolegus poecilocercus Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. Crested black tyrant Knipolegus lophotes Brazil, Uruguay and northeastern Paraguay Velvety black tyrant Knipolegus nigerrimus Brazil Sao Francisco black tyrant or Caatinga black tyrant Knipolegus franciscanus Brazil.
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