Pacific Flatbill (Rhynchocyclus pacificus) [XC66965]
by Niels Krabbe from Esmeraldas: 18.5 road km NNW Alto Tambo, Ecuador (song, song 30 min after pb)
Pacific Flatbill (Rhynchocyclus pacificus) [XC85497]
by Olaf Jahn from Trail to the Rio Mira 4 km. west of Alto Tambo, Esmeraldas, Ecuador (call)
Subspecies
Rhynchocyclus brevirostris (Sibley and Monroe 1990, 1993) has been split into Eye-ringed Flatbill (Rhynchocyclus brevirostris) and Pacific Flatbill (Rhynchocyclus pacificus) following SACC (2005).
Was for long considered a subspecies of Eye-ringed Flatbill (Rhynchocyclus brevirostris). The two may not be sister-taxa.