ANTBIRDS   -   THAMNOPHILIDAE   -   PART III

Antwrens


Rufous-rumped Antwren - Euchrepomis callinota
Rufous-rumped Antwren
Euchrepomis callinota callinota
Mashpi, Pichincha province, Ecuador.
Female. The rufous rump is usually hidden by the wings. It's a cloudforest species found in the Andes from Costa Rica to central Peru, with an isolated population in the Guianan region. (S8)


Star-throated Antwren - Rhopias gularis
Star-throated Antwren
Rhopias gularis
Reserva Ecologica de Guapiaçu, Rio de Janeiro state, Brazil.
Male. Endemic to SE Brazil, where it is fairly common in the Atlantic Rainforest understory. (S7)


Checker-throated Antwren - Epinecrophylla fulviventris
Checker-throated Antwren
Epinecrophylla fulviventris
Rio Silanche Bird Sanctuary, Pichincha province, Ecuador.
Male with nesting material, 11 Feb 2013. All of the so-called "stipple-throated" antwrens have now been separated from the Myrmotherula antwrens. See here for a summary of the rationale. (S8)


Checker-throated Antwren - Epinecrophylla fulviventris
Checker-throated Antwren
Epinecrophylla fulviventris
Pipline Road, Soberania National Park, Colón province, Panama.
Female. (S8)


Checker-throated Antwren - Epinecrophylla fulviventris
Checker-throated Antwren
Epinecrophylla fulviventris
Pipline Road, Soberania National Park, Colón province, Panama.
Juvenile male. (S8)


Rufous-tailed Antwren - Epinecrophylla erythrura
Rufous-tailed Antwren
Epinecrophylla erythrura erythrura
Yasuní Research Station, Orellana province, Ecuador.
Male. Unlike others of the genus, it shows little or no markings on the throat. It's restricted to the western half of the Amazon region. (S6)


Moustached Antwren - Myrmotherula ignota
Moustached Antwren
Myrmotherula ignota ignota
Trail between El Valle and Utría National Park, Chocó department, Colombia.
Male. This species is found disjunctly in the Chocó region (E Panama to NW Ecuador) and in the western Amazon. The Chocó race is sometimes split and called Griscom's Antwren. (S8)


Moustached Antwren - Myrmotherula ignota
Moustached Antwren
Myrmotherula ignota ignota
Panama Rainforest Discover Center, Colón province, Panama.
Male. Photographed from the top of the tower; the bird is so tiny that I really had ot blow this shot up a lot. (S8)


Pacific Antwren - Myrmotherula pacifica
Pacific Antwren
Myrmotherula pacifica
Yalare, Esmeraldas province, Ecuador.
Male. Found in clearings, forest edge, and degraded habitat from Panama to W Ecuador. (S7)


Pacific Antwren - Myrmotherula pacifica
Pacific Antwren
Myrmotherula pacifica
El Valle, Chocó department, Colombia.
Female. (S8)


Cherrie's Antwren - Myrmotherula cherriei
Cherrie's Antwren
Myrmotherula cherriei
Mitú, Vaupés department, Colombia.
Female. This species occurs in the northwestern Amazon; it shows a preference for white-sand forest, but is not restricted to that habitat. The female is more distinctive than the male, having buffy underparts with black streaks. (S6)


Cherrie's Antwren - Myrmotherula cherriei
Cherrie's Antwren
Myrmotherula cherriei
Mitú, Vaupés department, Colombia.
Male. (S6)


White-flanked Antwren - Myrmotherula axillaris
White-flanked Antwren
Myrmotherula axillaris albigula
Pipeline road, Soberania National Park, Colón province, Panama.
Male. (S8)


White-flanked Antwren - Myrmotherula axillaris
White-flanked Antwren
Myrmotherula axillaris albigula
Río Canandé reserve, Esmeraldas province, Ecuador.
Female. (S8)


White-flanked Antwren - Myrmotherula axillaris
White-flanked Antwren
Myrmotherula axillaris luctuosa
Reserva Ecológica de Saltinho, Pernambuco state, Brazil.
Male. This is the race endemic to the lowlands of eastern Brazil, which will eventually be split, based mainly on its completely different vocalizations. It is also much grayer with fainter flank patches; compare with the shot above. IOC already splits it, calling it Silvery-flanked Antwren M. luctuosa. (S6)


Slaty Antwren - Myrmotherula schisticolor
Slaty Antwren
Myrmotherula schisticolor schisticolor
Buenaventura reserve, El Oro province, Ecuador.
Male. Common and widespread in montane forest, both in Central and South America. (S5)


Slaty Antwren - Myrmotherula schisticolor
Slaty Antwren
Myrmotherula schisticolor schisticolor
Buenaventura reserve, El Oro province, Ecuador.
Female. (S8)



Salvadori's Antwren - Myrmotherula minor
Salvadori's Antwren
Myrmotherula minor
Fazenda Angelim, Ubatuba, São Paulo state, Brazil.
Male. A rare antwren that's endemic to lowland and foothill Atlantic Forest of Southeast Brazil. (S6)


Unicolored Antwren - Myrmotherula unicolor
Unicolored Antwren
Myrmotherula unicolor
Folha Seca, São Paulo state, Brazil.
Male. Endemic to lowland Atlantic Rainforest of SE Brazil. (S6)


Caatinga Antwren - Herpsilochmus sellowi
Caatinga Antwren
Herpsilochmus sellowi
Chapada de Araripe, Ceará state, Brazil.
Male. It was only described to science in 2000. This photo was published in the first issue of Neotropical Birding. (D3)


Black-capped Antwren - Herpsilochmus atricapillus
Black-capped Antwren
Herpsilochmus atricapillus
RPPN Frei Caneca, Pernambuco state, Brazil.
Male. It has a rather large range from eastern Brazil to Bolivia, south of the Amazon basin. (S6)


Ash-throated Antwren - Herpsilochmus parkeri
Ash-throated Antwren
Herpsilochmus parkeri
Ridgetop forest above Quebrada Mishquiyacu, San Martín region, Peru.
Male. A rare and local species restricted to a small area of the eastern foothills of the Andes in northern Peru. It was described only in 1986, and was named in honor of Ted Parker. Seeing this bird required a tough, several hour hike. We went with a local guide from Waqanki Lodge named Carlos, who was excellent, and knew exactly where to find it. (S8)


Pectoral Antwren - Herpsilochmus pectoralis
Pectoral Antwren
Herpsilochmus pectoralis
Jeremoaba-Canudos road, Bahia state, Brazil.
Male. A poor shot of a rare and very local northeastern Brazil endemic. The black spot on the breast is barely visible in this photo. It has an odd distribution; it is found in both humid Atlantic Rainforest and also dry caatinga woodland. Despite that, it is absent from many areas that appear to be suitable habitat. (S6)


Yellow-breasted Antwren - Herpsilochmus axillaris
Yellow-breasted Antwren
Herpsilochmus axillaris axillaris
Manu road below San Pedro, Madre de Dios department, Peru.
Male. (S6)


Dot-winged Antwren - Microrhopias quixensis
Dot-winged Antwren
Microrhopias quixensis consobrina
Río Palenque Science Station, Los Ríos province, Ecuador.
Male. (S7)


Dot-winged Antwren - Microrhopias quixensis
Dot-winged Antwren
Microrhopias quixensis virgatus
Nusagandi, Comarca de Guna Yala, Panama.
Female. She is showing a white interscapular patch, a feature generally considered to be found only in males. (S8)


Black-hooded Antwren - Formicivora erythronotos
Black-hooded Antwren
Formicivora erythronotos
North of Perequê, Rio de Janeiro state, Brazil.
Male. This endangered species is endemic to a tiny area of Southeast Brazil. (S6)


White-fringed Antwren - Formicivora grisea
White-fringed Antwren
Formicivora grisea hondae
El Paujil reserve, Santander department, Colombia.
Male. Some orntithologists consider the races of far northern South America (including this one) to be a distinct species from those farther south. However the plumage differences are in the female, so not noticeable in these photos. (D3)


Serra Antwren - Formicivora serrana
Serra Antwren
Formicivora serrana interposita
Carmo, Rio de Janeiro state, Brazil.
Male. Endemic to interior mountains of Southeast Brazil. There are two subspecies; the nominate (of which I have no photos uet) has a chestnut, not brown back. (S6)


Restinga Antwren - Formicivora littoralis
Restinga Antwren
Formicivora littoralis
Praia Seca, Rio de Janeiro state, Brazil.
Male. This endangered species has a tiny range in coastal scrub in far southeastern Brazil, a habitat that severely threatened due to seaside development. It is very similar to the interposita subspecies of Serra Antwren (see above), with an identical voice, which suggests that they may be conspecific. Due to the potential negative conservation ramifications of lumping them, I hope it never happens! (S6)


Black-bellied Antwren - Formicivora melanogaster
Black-bellied Antwren
Formicivora melanogaster bahiae
Monte Santo, Bahia state, Brazil.
Male. This beautiful antwren prefers drier habitats in the interior of Brazil, also reaching Bolivia and Paraguay. It is similar to the southern races of White-fringed Antwren F. grisea, but has a much wider eyebrow, especially behind the eye. (S6)


Rusty-backed Antwren - Formicivora rufa
Rusty-backed Antwren
Formicivora rufa rufa
Chapada dos Guimarães, Mato Grosso state, Brazil.
Male. Found widely in scrubland south and east of the Amazon basin, with a few isolated populations elsewhere. Nearly identical in plumage to Sincora Antwren, see below. (S7)


Rusty-backed Antwren - Formicivora rufa
Rusty-backed Antwren
Formicivora rufa rufa
Campos de Jofre, Transpantanal Highway, Mato Grosso, Brazil.
Female. (S8)


Sincora Antwren - Formicivora grantsaui
Sincora Antwren
Formicivora grantsaui
Chapada Diamantina, Bahia state, Brazil.
Male. This species was only described in 2007 (link to paper), having previously been overlooked due to it's similarity with Rusty-backed Antwren F. rufa (above). Sincora Antwren differs from that species in voice and habitat; it occurs in rocky, grassy, upland savanna called campo rupestre. So far it is known from only a tiny area in and around the Chapada Diamantina in Bahia. (S6)


Sincora Antwren - Formicivora grantsaui
Sincora Antwren
Formicivora grantsaui
Chapada Diamantina, Bahia state, Brazil.
Same individual as in the previous photo. (S6)


Sincora Antwren - Formicivora grantsaui
Sincora Antwren
Formicivora grantsaui
Chapada Diamantina, Bahia state, Brazil.
Female. (S6)


Streak-capped Antwren - Terenura maculata
Streak-capped Antwren
Terenura maculata
Itatiaia National Park, Rio de Janeiro state, Brazil.
Male. A pretty canopy antwren of the Atlantic Rainforest, found in SE Brazil, E Paraguay, and NE Argentina. (S7)



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