Olivaceous Siskin (Spinus olivaceus) [XC260077]
by John V. Moore from Napo: 'Caba\u00f1as San Isidro', 1-2 km SW Cosanga, Ecuador (call, calls)
Olivaceous Siskin (Spinus) [XC814422]
by id from ECOAN Lodge, Abra Patricia, Peru (call)
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.