Brown-capped Whitestart (Myioborus brunniceps) [XC824987]
by Aidan Maccormick from Jos\u00e9 de la Quintana, Santa Mar\u00eda, C\u00f3rdoba, Argentina (call)
Brown-capped Whitestart (Myioborus brunniceps) [XC506169]
by Niels Krabbe from La Rioja: Intihuasi, 3.4 km NW El Cantadero, Serran\u00eda de Velasco, Argentina (song)
Subspecies
No subspecies.
Formerly considered conspecific with Tepui Whitestart (Myioborus castaneocapilla), but the two differ in their songs and are widely separated geographically. Treatment as separate species supported by recent phylogenetic study, which suggested that close plumage similarities between the two may be due to retention of ancestral traits, rather than to genetic similarity.