Colima Pygmy-Owl Glaucidium palmarum

  • Order: Strigiformes
  • Family: Strigidae
  • Polytypic: 3 subspecies
  • Authors: Thomas S. Schulenberg
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Colima Pygmy-Owl is a newly-recognized species. Previously these populations were classified as subspecies of Least Pygmy-Owl (Glaucidium minutissimum), although now the name Least Pygmy-Owl is applied only to the birds in eastern South America. Colima Pygmy-Owl occurs on the west slope of Mexico, from Sonora south to Oaxaca. This species overlaps geographically with the slightly larger Ferruginous Pygmy-Owl (Glaucidium brasilianum), but Colima Pygmy-Owl can be distinguished by its shorter tail, spotted crown, and different song. This species occurs in thorn forest, semi-deciduous forests, and coffee plantations, and locally also in pine-oak forests. The song of Colima Pygmy-Owl is a short series of hollow hooting notes. As is typical of Glaucidium, Colima Pygmy-Owl is partially diurnal and hunts for invertebrates and small vertebrates, but there is very little information available about its biology.

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Recommended Citation

Schulenberg, T. S. (2013). Colima Pygmy-Owl (Glaucidium palmarum), version 1.0. In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/nb.copowl1.01