Band-tailed Antwren (Myrmotherula urosticta)

Family
Thamnophilidae (Typical Antbirds)

Size
9.50 - 10 cm

First Described (Guide)
(Sclater, 1857)

Habitat
Lower growth of primary or moderately disturbed coastal Atlantic forest. From sea-level - 100 m.

Range (Guide)

Brazil (B).

Coastal eastern Brazil from central Bahia south to northern Rio de Janeiro.

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 2,500 - 9,999 (2010) and decreasing.

Status VU
Habitat destruction and degradation through agricultural conversion and deforestation for mining and plantation production, urbanisation, agricultural expansion, colonisation and associated road-building, are the main threats.

For more information see BirdLife International Species Factsheet.

Habits
Almost exclusively observed with mixed-species flocks.

Voice
A nasal descending 'beer bin'.

Xeno-Canto Sound Files (more (22)...)

Band-tailed Antwren (Myrmotherula urosticta) [XC736057]
by Mateus Gon\u00e7alves Santos from RPPN Esta\u00e7\u00e3o Veracel, Porto Seguro-BA, Bahia, Brazil (call, song)

Band-tailed Antwren (Myrmotherula urosticta) [XC427699]
by Caio Brito from RPPN Esta\u00e7\u00e3o Veracel, Porto Seguro-BA, Bahia, Brazil (chamado e canto)

Subspecies
Forms a superspecies with Long-winged Antwren (Myrmotherula longipennis). Other relationships uncertain. The two are often grouped with White-flanked Antwren (Myrmotherula axillaris), Rio de Janeiro Antwren (Myrmotherula fluminensis), Slaty Antwren (Myrmotherula schisticolor), Salvadori's Antwren (Myrmotherula minor), Ihering's Antwren (Myrmotherula iheringi), Plain-winged Antwren (Myrmotherula behni), Ashy Antwren (Myrmotherula grisea), Unicolored Antwren (Myrmotherula unicolor), Alagoas Antwren (Myrmotherula snowi), Long-winged Antwren (Myrmotherula longipennis), Band-tailed Antwren (Myrmotherula urosticta) and Grey Antwren (Myrmotherula menetriesii) as the "grey antwren assemblage", although this grouping possibly not monophyletic.

No subspecies.

Similar Species
Tail-band is distinctive. Sympatric luctuosa of White-flanked Antwren (Myrmotherula axillaris) can show white tip to tail, but never as extensively. Also much darker with less contrasting bib.

References
See References.

Files:

JPG files for Band-tailed Antwren (Myrmotherula urosticta) - 10 files

More Information

BirdLife International

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BirdLife International Species Factsheet.

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