13 cm. Male has a rufous crown and back and a white superciliary. Black wings with two white wing bars. Below black with white sides of the neck, chest and belly merging with the white superciliary. Buff flanks. Tail gray, the feathers with white tips. <NFemale is like the male, but has dark streaks on white below. Flanks buff.
The song is a rapidly repeated "tshitshitshi...", a long run-together "chchchchchch" ^76 .
Forages low in scrub.
Scrubby thickets and gallery forests. Bushy cerrado in the interior.
Extralimital in northern Estado S<C4>o Paulo Franca, Bebedouro, S<C4>o Jeronimo ^40 . Has spread into deforested areas of Espirito Santo ^44 . Might be expected to occur in suitable habitat closer to the shore.
The resemblance of the song presented here at least at the end of the cut with the pair song of /Cypsnagra hirundinacea , a tanager occurring in the same Cerrado habitat, brings up the question whether this song belongs to /Formicivora rufa . However F. rufa was identified by sight singing when this vocalization was recorded.
8153 Pair song. Chapada das Guimaraes, Cuiaba, Mato Grosso, 8<10>4<10>97. Sunny, 20<91>C. Cerrado with few trees.:
960 >:
Character status: partial decoder; angle-bracket byte markers are preserved
Recovered structure; field assignment may be heuristic
Structured account sections
Description
13 cm. Male has a rufous crown and back and a white superciliary. Black wings with two white wing bars. Below black with white sides of the neck, chest and belly merging with the white superciliary. Buff flanks. Tail gray, the feathers with white tips. <NFemale is like the male, but has dark streaks on white below. Flanks buff.
Voice
The song is a rapidly repeated "tshitshitshi...", a long run-together "chchchchchch" ^76 .
Behavior
Forages low in scrub.
Habitat and status
Scrubby thickets and gallery forests. Bushy cerrado in the interior.
Distribution
Extralimital in northern Estado S<C4>o Paulo Franca, Bebedouro, S<C4>o Jeronimo ^40 . Has spread into deforested areas of Espirito Santo ^44 . Might be expected to occur in suitable habitat closer to the shore.
Additional notes
The resemblance of the song presented here at least at the end of the cut with the pair song of /Cypsnagra hirundinacea , a tanager occurring in the same Cerrado habitat, brings up the question whether this song belongs to /Formicivora rufa . However F. rufa was identified by sight singing when this vocalization was recorded.
Structure status: heuristic; decoded_account_text and segment JSON remain authoritative
Release-specific historical evidence — the three releases remain separate; none is canonical
Release history
This work was published as three separate releases: the Disc 3 release first, the Disc 2 release later, and the Disc 1 release in 2011. Differences between them are historical release differences and are never merged.
Disc 3in this release's bird list(aux_nonzero;local_checklist_byte45_flag_1)
Disc 2in this release's bird list(aux_nonzero;local_checklist_byte45_flag_1)
Disc 1 (2011)in this release's bird list(aux_nonzero;local_checklist_byte45_flag_1)
The account in the Disc 1 (2011) revision
The 2011 Disc 1 revision carries this account text unchanged from the Disc 3 release.
Historical taxonomy
WORLD
formicivora rufa
Rusty-backed Antwren
Thamnophilidae
Antbirds,Antwrens
CLEMENTS
formicivora rufa
Rusty-backed Antwren
Thamnophilidae
Antbirds,Antwrens
AOU_HM
formicivora rufa
Rusty-backed Antwren
Thamnophilidae
Antbirds,Antwrens
Recordings
8153.wav
8153 Pair song. Chapada das Guimaraes, Cuiaba, Mato Grosso, 8<10>4<10>97. Sunny, 20<91>C. Cerrado with few trees.