Alagoas Antwren (Myrmotherula snowi)

Family
Thamnophilidae (Typical Antbirds)

Size
9.50 - 10 cm

First Described (Guide)
Teixeira & Gonzaga, 1985

Habitat
Subtropical and tropical moist lowland forest. From 400 - 550 m.

Range (Guide)

Brazil (B).

Alagoas, in north-eastern Brazil: known only from type locality, above Murici.

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

Population
Estimated population is 50 - 249 (2010) and decreasing.

Status CR
Habitat destruction, degradation and fragmentation due to logging and conversion to sugarcane plantations and pastureland, is the main threat.

For more information see BirdLife International Species Factsheet.

Food
Arthropods, including spiders, beetles, ants and cockroaches.

Voice
Song is a series of 3-6 downslurred, clear-whistled syllables. A 'kleek' contact call and 'nyiih-nyeeh-nyaah' alarm call have been described.

Xeno-Canto Sound Files (more (27)...)

(Myrmotherula snowi) [XC668608]
by Ciro Albano and Glauco Alves Pereira from Serra do Quengo,Usina Frei Caneca,Jaqueira,Pernambuco, Brazil (subsong)

Alagoas Antwren (Myrmotherula snowi) [XC13822]
by Frank Lambert from Esta\u00e7\u00e3o Ecol\u00f3gica de Murici, Alagoas, Brazil (song)

Subspecies
Forms a superspecies with Unicolored Antwren (Myrmotherula unicolor) and formerly treated as conspecific; also appears to be closely related to Andean Plain-winged Antwren (Myrmotherula behni) and Ashy Antwren (Myrmotherula grisea). The four have together been termed the "Plain-winged Myrmotherula group". This often combined 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), Unicolored Antwren (Myrmotherula unicolor), 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
Very similar to Unicolored Antwren (Myrmotherula unicolor), but not sympatric and has shorter tail and longer bill, and female is more rufescent below.

References
See References.

Files:

JPG files for Alagoas Antwren (Myrmotherula snowi) - 10 files

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BirdLife International

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BirdLife International Species Factsheet.

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