The Greater Wagtail-tyrant (Stigmatura budytoides) is a South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

n species of bird in the Tyrannidae family. A small bird, but larger than the related Lesser Wagtail-tyrant

Lesser Wagtail-tyrant

The Lesser Wagtail-tyrant is a small South American species of bird in the Tyrannidae family. It occurs in two distinct populations: One found in wooded and shrubby habitats along major Amazonian rivers in Brazil, Peru, Ecuador and Colombia, and a second found in the comparable far drier...

. The Greater Wagtail-tyrant occurs in two distinct populations: One in woodland and shrub in southeastern Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

, western Paraguay

Paraguay

Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

, and central and northwestern Argentina

Argentina

Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

, and a second in the Caatinga

Caatinga

Caatinga is a type of vegetation, and an ecoregion characterized by this vegetation in the northeastern part of Brazil. The name "Caatinga" is a Tupi word meaning "white forest" or "white vegetation"...

 region in northeastern Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. The latter is sometimes considered a separate species, the Caatinga Wagtail-tyrant (S. gracilis).