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Yungas Pygmy-Owl Glaucidium bolivianum

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The Yungas Pygmy-Owl is very similar to the Andean Pygmy-Owl (Glaucidium jardinii), indeed until very recently it was not recognized as a distinct species. The primary difference between the two species is in the pace of the song: typically three-four notes per second in Andean, but a more languid one-two notes per second in Yungas. As is the case with Andean, the Yungas Pygmy-Owl occurs in several color morphs. A brown and a red or rufous color morph are common and widespread, but a gray morph apparently is restricted to southern Bolivia and northern Argentina. The Yungas Pygmy-Owl is uncommon to fairly common in humid montane forest of the Andes along the east slope of the Andes, where it occurs at higher elevations than any other species of Glaucidium. As is typical of Glaucidium, this species is partially diurnal, although it may be more nocturnal in the southern part of its range.  The Yungas Pygmy-Owl hunts for invertebrates and small vertebrates from perches in the canopy, and frequently is mobbed by the small passerines that it hunts.

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Song

© Ted Parker

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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding

Recommended Citation

Yungas Pygmy-Owl (Glaucidium bolivianum), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/yupowl1