Rufous-tailed Stipplethroat (Epinecrophylla erythrura) [XC258397]
by Paul Coopmans from Orellana: Right (s) bank R\u00edo Napo opposite 'La Selva Lodge' and 'Sacha Lodge', Ecuador (duet?)
Rufous-tailed Stipplethroat (Epinecrophylla erythrura) [XC249912]
by Luiz Fernando Carvalho from Morona-Santiago: e-slope Cord. de Cutuc\u00fa: Uuntsuants, Ecuador (duet)
Subspecies
Genetic, morphological and behavioural analyses indicate that this species is part of a monophyletic group that also includes Brown-bellied Antwren (Epinecrophylla gutturalis), Checker-throated Antwren (Epinecrophylla fulviventris), White-eyed Antwren (Epinecrophylla leucophthalma), Foothill Antwren (Epinecrophylla spodionota), Western Stipple-throated Antwren (Epinecrophylla haematonota), Yasuni Antwren (Epinecrophylla fjeldsaai) and Western Ornate Antwren (Epinecrophylla ornata) (the "stipple-throated antwren assemblage"), and which may not be closely related to other species placed in the genus. Subspecies possibly intergrade.
The following 2 subspecies are recognised:
erythrura Sclater, 1890 - Extreme north-western Brazil (western bank of upper R Negro), south-eastern Colombia (Meta east to Vaupés and south to Putumayo), eastern Ecuador and north-eastern Peru (north of R Marañón and R Amazon).
septentrionalis (Zimmer, JT, 1932) - Eastern Peru (along base of Andes south of R Marañón south to Puno) and west-central Amazonian Brazil (scattered records from Amazonas south of R Solimíµes, east to Tefé and middle R Juruá).