Olivaceous Siskin (Spinus olivaceus) [XC638694]
by GABRIEL LEITE from Miguelito Pipeline Rd., Cochabamba dept., Bolivia (song)
Olivaceous Siskin (Spinus olivaceus) [XC260075]
by John V. Moore from Napo: km 11.6 Narupa-Loreto road, Ecuador (call, calls)
Subspecies
No subspecies.
Has been considered conspecific with Hooded Siskin (Spinus magellanicus), differing mainly in habitat preference, but hybridizes in area of range overlap in north-western Peru. Further research is required.