Birds of the World

    PASSERIFORMES: Thamnophilidae (Antbirds)  
Genus: Formicivora (9 species)


Marsh Antwren
Marsh Antwren (Formicivora acutirostris paludicola) Near Threatened
Range: SA: se Brazil
Biritiba Mirim, Sao Paulo, Brazil  
   
Photograph by Carlos Henrique Luz Nunes de Almeida     Copyright and usage info

First described in 1995. Found in marshes from Santa Catarina to Sao Paulo.

Black-hooded Antwren
Black-hooded Antwren (Formicivora erythronotos) Male Endangered
Range: SA: se Brazil
Angra dos Reis, RJ, Brazil  
   
Photograph by João Sérgio Barros F. de Souza   © All Rights Reserved.

Black-hooded Antwren
Black-hooded Antwren (Formicivora erythronotos) Female Endangered
Range: SA: se Brazil
Parque Mombucaba (Perequê), Rio de Janeiro state, Brazil  
   
Photograph by Tropical Birding (Nick Athanas)   © All Rights Reserved.


Sincora Antwren
Sincora Antwren (Formicivora grantsaui) Male Endangered
Range: SA: ne Brazil
Chapada Diamantina, Bahia, Brazil
  Similar to Rusty-backed Antwren.
   
Photograph by João Sérgio Barros F. de Souza   © All Rights Reserved.

Sincora Antwren
Sincora Antwren (Formicivora grantsaui) Female Endangered
Range: SA: ne Brazil
Chapada Diamantina, Bahia, Brazil  
   
Photograph by João Sérgio Barros F. de Souza   © All Rights Reserved.


Southern White-fringed Antwren
Southern White-fringed Antwren (Formicivora grisea rufiventris) Male
Range: SA: Guyana to s Amazonia and se Brazil
Inírida, Guainía, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.

Southern White-fringed Antwren
Southern White-fringed Antwren (Formicivora grisea rufiventris) Female
Range: SA: Guyana to s Amazonia and se Brazil
Inírida, Guainía, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.

Vocally very different from Northern White-fringed Antwren.

Narrow-billed Antwren
Narrow-billed Antwren (Formicivora iheringi) Male
Range: SA: e Brazil
Brazil  
   
Photograph by João Sérgio Barros F. de Souza   © All Rights Reserved.

On the surface resemble Silvery-flanked Antwren. Male grey with white flank and black throat and chest. Female similar to Silvery-flanked. Found in 'deciduous hill forest' above 250m (HBW).

Northern White-fringed Antwren
Northern White-fringed Antwren (Formicivora intermedia) Male
Range: SA: Colombia and Venezuela
Utica, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.

Northern White-fringed Antwren
Northern White-fringed Antwren (Formicivora intermedia hondae) Female
Range: SA: Colombia and Venezuela
ProAves Cerulean Warbler Reserve, San Vicente de Chucuri, Santander, Colombia
  Creamy colored hondae subspecies.
   
Photograph by Tom Friedel   © All Rights Reserved.

Northern White-fringed Antwren
Northern White-fringed Antwren (Formicivora intermedia intermedia) Female
Range: SA: Colombia and Venezuela
Utica, Colombia  
   
Photograph by Tom Friedel   © All Rights Reserved.

Vocally very different from Southern White-fringed Antwren.

Black-bellied Antwren
Black-bellied Antwren (Formicivora melanogaster melanogaster) Male
Range: SA: e Brazil and c SA
Poconé, Mato Grosso, Brazil  
   
Photograph by Dave Curtis     Copyright and usage info

Black-bellied Antwren
Black-bellied Antwren (Formicivora melanogaster bahiae) Female
Range: SA: e Brazil and c SA
Serra do Arrepio, Bahia, Brazil  
   
Photograph by Tropical Birding (Nick Athanas)   © All Rights Reserved.


Rusty-backed Antwren
Rusty-backed Antwren (Formicivora rufa rufa)
Range: SA: Amazonia, e Brazil and c SA
Campos de Jofre, Transpantanal Highway, Mato Grosso, Brazil  
   
Photograph by Tropical Birding (Nick Athanas)   © All Rights Reserved.

Rusty-backed Antwren
Rusty-backed Antwren (Formicivora rufa rufa) Male
Range: SA: Amazonia, e Brazil and c SA
Mato Grosso do Sul, Brazil  
   
Photograph by Tom Friedel   © All Rights Reserved.


Serra Antwren
Serra Antwren (Formicivora serrana littoralis) Male
Range: SA: se Brazil
Cabo Frio, Brazil
  The Restinga Antwren, now a race of the Serra Antwren and found in the coastal dune ecosystem, is almost totally black.
   
Photograph by Nigel Voaden   © All Rights Reserved.

Serra Antwren
Serra Antwren (Formicivora serrana serrana) Male
Range: SA: se Brazil
São Gonçalo do Rio Abaixo, Minas Gerais, Brazil  
   
Photograph by João Sérgio Barros F. de Souza   © All Rights Reserved.

Serra Antwren
Serra Antwren (Formicivora serrana littoralis) Female
Range: SA: se Brazil
Cabo Frio, Brazil  
   
Photograph by Nigel Voaden   © All Rights Reserved.

Now includes the Restinga Antwren of the coastal dune ecosystem.


© Tom Friedel - All Rights Reserved, except for images and data otherwise noted.       Colombia       Panama       Ecuador       Costa Rica       Mexico
Experimental sites:       Peru       Venezuela       The World       Brazil       Bolivia
Really Experimental sites:       Guyana       Cuba