Costa Rican Pygmy Owl (Glaucidium costaricanum) [XC72493]
by Jerome Fischer from Parque Nacional Tapanti, La Esperanza entrance, Cartago, Costa Rica (song)
Costa Rican Pygmy Owl (Glaucidium costaricanum) [XC9479]
by William Adsett from Savegre Mountain Lodge, Savegre Valley, San Jos\u00e9, Costa Rica (song)
Subspecies
Glaucidium jardinii (Sibley and Monroe 1990, 1993) has been split into Costa Rican Pygmy-Owl (Glaucidium costaricanum) and Andean Pygmy-Owl (Glaucidium jardinii) following AOU (2000).
Has recently been considered by some authors as conspecific with Mountain Pygmy-Owl (Glaucidium gnoma). Probably related to the recently discovered Cloudforest Pygmy-Owl (Glaucidium nubicola).