Austral Pygmy Owl (Glaucidium nana) [XC537775]
by Dante Buzzetti from Parque Nacional Vicente P\u00e9rez Rosales, Puerto Varas, Llanquihue, Los Lagos, Chile (call, song, aggressive call)
Austral Pygmy Owl (Glaucidium nana) [XC870926]
by Jos\u00e9 Dellacasa Bravo from Centro de humedales, Valdivia, Los R\u00edos, Chile (uncertain)
Subspecies
Considered by some authors to form superspecies with Ferruginous Pygmy-Owl (Glaucidium brasilianum), Tucuman Pygmy-Owl (Glaucidium tucumanum) and Peruvian Pygmy-Owl (Glaucidium peruanum). Sometimes treated as subspecies of Ferruginous Pygmy-Owl (Glaucidium brasilianum), but apparently some subtle differences in vocalizations exist. Recently shown to differ also in DNA.