Olivaceous Siskin (Spinus) [XC149136]
by John V. Moore from Alto Sacramento, Old Coroico Rd. La Paz dept., Bolivia (song)
Olivaceous Siskin (Spinus olivaceus) [XC261331]
by Leonardo Ord\u00f3\u00f1ez-Delgado 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.