Olivaceous Flatbill (Rhynchocyclus olivaceus) [XC271570]
by Jeremy Minns from Plantation trail, Panama (call)
Olivaceous Flatbill (Rhynchocyclus olivaceus) [XC827453]
by Allen T. Chartier from San Jose de Payamino (near San Jos\u00e9 de Payamino), Cant\u00f3n de Loreto, Orellana, Ecuador (song)
Subspecies
Geographic variation subtle, and majority of subspecies weakly differentiated.
The following 9 subspecies are recognised:
bardus (Bangs & Barbour, 1922) - Eastern Panama and north-western Colombia (northern Chocó east to southern Bolívar).
mirus Meyer de Schauensee, 1950 - North-western Colombia (lower Atrato Valley and inland from coast).
flavus (Chapman, 1914) - Northern and central Colombia (Santa Marta and Magdalena to western Meta) and northern Venezuela.
tamborensis Todd, 1952 - R Lebrija (Santander), in central Colombia.
aequinoctialis (Sclater, PL, 1858) - South-central and south-eastern Colombia (Meta south to Putumayo and Amazonas) south to north-central Bolivia (Cochabamba). Considered by some authors to be a distinct species, Western Olivaceous Flatbill (Rhynchocyclus aequinoctialis).
guianensis McConnell, 1911 - Southern Venezuela, the Guianas and northern Brazil.
sordidus Todd, 1952 - Brazil south of Amazon (R Tapajós east to R Tocantins and northern Maranhío).
olivaceus (Temminck, 1820) - North-central and eastern Brazil (eastern Pará; Pernambuco south to Rio de Janeiro).