Knipolegus

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: {| class="wikitable" |- ! Image !! Common name !! Scientific name !! Distribution |- |120px ||Blue-billed black tyrant || Knipolegus cyanirostris || Argentina, Bolivia, Brazil, Paraguay, and Uruguay. |- |120px ||Jelski's black tyrant || Knipolegus signatus || Peru |- |120px ||Plumbeous tyrant || Knipolegus cabanisi || southeastern Peru, western Bolivia and northern Argentina. |- |120px || Cinereous tyrant || Knipolegus striaticeps || Bolivia, western Paraguay, northern Argentina |- |120px || White-winged black tyrant || Knipolegus aterrimus || Argentina, Bolivia, Chile, Paraguay, Peru, and Uruguay. |- |120px || Hudson's black tyrant || Knipolegus hudsoni || central Argentina and winters northwards, reaching Bolivia and Paraguay. |- |120px || Rufous-tailed tyrant || Knipolegus poecilurus || Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. |- |120px || Riverside tyrant || Knipolegus orenocensis || Brazil, Colombia, Ecuador, Peru, and Venezuela. |- |120px || Amazonian black tyrant || Knipolegus poecilocercus || Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. |- |120px || Crested black tyrant || Knipolegus lophotes || Brazil, Uruguay and northeastern Paraguay |- |120px || Velvety black tyrant || Knipolegus nigerrimus || Brazil |- |120px ||Sao Francisco black tyrant or Caatinga black tyrant || Knipolegus franciscanus || Brazil. |- |}