Pacific Flatbill (Rhynchocyclus pacificus) [XC66966]
by Andrew Spencer from Esmeraldas: 18.5 road km NNW Alto Tambo, Ecuador (song)
Pacific Flatbill (Rhynchocyclus pacificus) [XC21789]
by Ian Davies from Milpe, Pichincha, Ecuador (call, song, song & call notes)
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.