The vireos make up a family, Vireonidae, of small to medium-sized passerine birds found in the New World and Southeast Asia. "Vireo" is a Latin word referring to a green migratory bird, perhaps the female golden oriole, possibly the European greenfinch.
The rufous-vented chachalaca is a member of an ancient group of birds of the family Cracidae, which are related to the Australasian mound builders. It inhabits northeast Colombia and northern Venezuela where it is called guacharaca, and the island of Tobago in Trinidad and Tobago where it is known as the cocrico and is one of the country's two national birds. It is also found on Bequia and Union Island in the Grenadines where it may have been introduced. This species is one of the national birds of Trinidad and Tobago and is featured on that country's coat of arms along with the scarlet ibis, the ibis representing Trinidad and the cocrico representing Tobago.
The rufous-browed peppershrike is a passerine bird in the vireo family. It is widespread and often common in woodland, forest edge, and cultivation with some tall trees from Mexico and Trinidad south to Argentina and Uruguay.
The golden-crowned warbler is a small New World warbler.
The spectacled thrush, bare-eyed thrush, or yellow-eyed thrush, is a resident breeding bird in the Lesser Antilles and in South America from Colombia and Venezuela south and east to northern Brazil. In Trinidad and Tobago, this thrush is also known as big-eye grieve.
The red-rumped woodpecker is a resident breeding bird from Costa Rica south and east to Ecuador, Venezuela, Trinidad and Tobago.
The violaceous euphonia is a small passerine bird in the true finch family. It is a resident breeder from Trinidad, Tobago and eastern Venezuela south to Paraguay and northeastern Argentina. The bird's range in northern Brazil is the lower portion of the Amazon Basin and the adjacent Tocantins River drainage, with its northwestern limits from Brazil and the Guyanas, the eastern banks of the Orinoco River drainage in central Venezuela.
The bicolored conebill is a small passerine bird. This member of the tanager family is a resident breeder in South America from Colombia, Venezuela and Trinidad south and east to the Guianas, northeast Peru and Brazil.
The red siskin is a small endangered finch native to tropical South America - in northern Colombia, northern Venezuela and Guyana. It was common in the early 20th century, occurring throughout the foothills of northern Venezuela, but has now become extremely rare in a fragmented range. The population on Trinidad is believed to be extirpated, with no sightings since 1960.
The fuscous flycatcher is a small passerine bird in the tyrant flycatcher family, and the only member of the genus Cnemotriccus. It breeds from Colombia and Venezuela south to Bolivia, Paraguay and Argentina, and on both Trinidad and Tobago. The fuscous flycatcher ranges in northern and eastern South America, including the entire Amazon Basin, and the Guianas; also all of Brazil except the very southeastern border area with Uruguay.
The white-bearded manakin is a small passerine bird which breeds in tropical South America. It is found from Colombia, Venezuela and Trinidad south to Bolivia and northern Argentina. This manakin is found in forests, secondary growth and plantations. It is a small, plump bird about 10.7 centimetres (4.2 in) long. Males have a black crown, upper back, wings and tail and are otherwise white. Females are olive-green and resemble female golden-headed manakins. At breeding time, males are involved in lekking behaviour on the forest floor during which they puff out their neck feathers. This is a fairly common species with a wide range, and the International Union for Conservation of Nature has rated its conservation status as being of "least concern".
The golden-headed manakin is a small passerine bird which breeds in tropical Central and South America in both wet and dry forests, secondary growth and plantations. It is a small mannakin, about 9.4 centimetres (3.7 in) long. Males are entirely black apart from a golden head, yellow bill, white and red thighs and pink legs. Females and juveniles are olive-green with pink legs. At breeding time, males are involved in a cooperative lekking behaviour during which they jump, slide and dart from perch to perch. This is a fairly common species with a wide range, and the International Union for Conservation of Nature has rated its conservation status as being of "least concern".
The scrub greenlet or scrub vireo, is a small passerine bird in the vireo family. It breeds in Costa Rica, Panama, Colombia, Venezuela and Tobago. They can be found in the southernmost part of Central America and northern South America, which can be defined as extending from Venezuela to Colombia.
The black-whiskered vireo is a small passerine bird, which breeds in southern Florida, USA, and the West Indies as far south as the offshore islands of Venezuela. It is a partial migrant, with northern birds wintering from the Greater Antilles to northern South America. This species has occurred as a rare vagrant to Costa Rica.
The brown violetear is a large hummingbird that breeds at middle elevations in the mountains in Central America, and western and northern South America with isolated populations on Trinidad and in the Brazilian state Bahia.
The lesser greenlet is a small passerine bird in the vireo family. It breeds from northeastern Mexico south to western Ecuador.
The dusky-capped greenlet is a species of bird in the family Vireonidae. It is found in Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela. Its natural habitat is subtropical or tropical moist lowland forests.
The buff-cheeked greenlet is a species of bird in the family Vireonidae. It is found in Bolivia, Brazil, French Guiana, Guyana, Suriname, and Venezuela. Its natural habitat is subtropical or tropical moist lowland forests.
The rufous-naped greenlet is a species of bird in the family Vireonidae. It is found in the Andes in Colombia, northern Ecuador, and westernmost Venezuela. Its natural habitats are subtropical or tropical moist montane forests and heavily degraded former forest.
Pachysylvia is a genus of bird in the family Vireonidae. It contains the following species:
