The marsh antwren (Formicivora acutirostris ), also known as the Paraná antwren, is an insectivorous bird in the antbird family Thamnophilidae. It is endemic to marshes and swamps in the Brazilian states of Paraná and Santa Catarina.It was first...
The serra antwren (Formicivora serrana ) is a species of small insectivorous bird in the family Thamnophilidae. It is endemic to the states of Rio de Janeiro, Espírito Santo and Minas Gerais in southeastern Brazil. The International Union for...
The southern white-fringed antwren (Formicivora grisea ) is an insectivorous bird in the antbird family Thamnophilidae. It is a resident breeder in tropical South America from Colombia southeast to the Guianas and Brazil.
The narrow-billed antwren (Formicivora iheringi ) is a species of bird in the family Thamnophilidae. It is endemic to eastern Brazil where it occurs in Bahia and Minas Gerais states. Its natural habitat is deciduous and semi-deciduous forest between...
The Sincorá antwren (Formicivora grantsaui ) is a small passerine bird of the genus Formicivora in the family Thamnophilidae, the typical antbirds. It is endemic to a small area of eastern Brazil. The bird was not described as a new species until...
The northern white-fringed antwren (Formicivora intermedia ) is an insectivorous bird in the antbird family Thamnophilidae. It is a resident breeder in tropical South America and occurs in northern Colombia, northern Venezuela and on the islands of...
