WFormicivora is a genus of insectivorous birds in the antbird family, Thamnophilidae. These relatively small, long-tailed antbirds are strongly sexually dichromatic. They are found in semi-open habitats in woodland and shrub in South America. They have several rows of white spots on the wings. Males are usually darker below than they are above, and sometimes have a fringe of white on the side.
WThe black-bellied antwren is a species of bird in the family Thamnophilidae. It is found in Bolivia, Brazil, and Paraguay. Its natural habitat is subtropical or tropical dry forests.
WThe black-hooded antwren is a species of bird in the family Thamnophilidae, the antbirds. It is endemic to Brazil, where it is known only from the vicinity of Ilha Grande Bay in the southern part of the state of Rio de Janeiro. It was collected and then not seen for 100 years until it was rediscovered in 1987. It is now known from seven sites. Its range is small and its habitat is fragmented.
WThe marsh antwren, 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.
WThe narrow-billed antwren 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 250 and 1,050 metres above sea level. It is threatened by habitat loss. The narrow-billed antwren is sometimes put in the monotypic genus Neorhopias.
WThe northern white-fringed antwren 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 Tobago and Margarita.
WThe rusty-backed antwren is a species of bird in the family Thamnophilidae. It is found in Bolivia, Brazil, Paraguay, Peru, and Suriname. Its natural habitats are subtropical or tropical dry shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, and heavily degraded former forest.
WThe serra antwren 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 Conservation of Nature has assessed this bird's conservation status as being of "least concern."
WThe Sincorá antwren 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 2007. The binomial name commemorates the German-born naturalist Rolf Grantsau who collected a specimen in 1965 that was recently identified as this species.
WThe southern white-fringed antwren 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.