The pale baywing (''Agelaioides fringillarius''), formerly known as the pale cowbird, is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class (biology), class Aves (), characterised by feathers, toothless beaked jaws, the Oviparity, laying of Eggshell, hard-shelled eggs, a high Metabolism, metabolic rate, a fou ...

in the family

Icteridae Icterids () or New World blackbirds make up a family, the Icteridae (), of small to medium-sized, often colorful, New World passerine birds. The family contains 108 species and is divided into 30 genera. Most species have black as a predominant ...

. It is currently placed in the genus ''Agelaioides'', but has traditionally been placed in the genus ''

Molothrus Cowbirds are birds belonging to the genus ''Molothrus'' in the family Icteridae. They are of New World origin, but some species not native to North America are invasive there, and are obligate brood parasites, laying their eggs in the nests of ot ...

''. It was formerly considered conspecific with the

greyish baywing The grayish baywing (''Agelaioides badius''), formerly known as the bay-winged cowbird, is a species of bird in the family Icteridae. It is currently placed in the genus ''Agelaioides'' but has traditionally been placed in the genus ''Molothrus' ...

, with the combined species then known as bay-winged cowbird. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to northeastern Brazil, where it is primarily found in the

Caatinga Caatinga () is a type of semi-arid tropical vegetation, and an ecoregion characterized by this vegetation in interior northeastern Brazil. The name "Caatinga" comes from the Tupi word '' ka'atinga'', meaning "white forest" or "white vegetat ...

and the northern

Cerrado The Cerrado () is a vast ecoregion of Tropics, tropical savanna in central Brazil, being present in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Maranhão, Piauí, Bahia, Minas Gerais, São Paulo (state), São Paulo, Paraná ...

References

* Ridgely, R. S.; & Tudor, G. (1989). ''The Birds of South America vol. 1 - The Oscine Passerines.'' Oxford University Press. * Fraga, R. M. and S. D�Angelo Neto. 2014. Natural history notes and breeding of the Pale Baywing (Agelaioides fringillarius) in northern Minas Gerais, Brazil. Revista Brasileira de Ornitologia, 22: 238–241. pale baywing Birds of the Caatinga Endemic birds of Brazil pale baywing {{Icteridae-stub