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Typical Owls (Strigidae)

Tropical Screech-owl (Otus choliba) - HBW 5, p. 175

French: Petit-duc choliba German: Cholibaeule Spanish: Autillo Chóliba
Other common names: Choliba Screech-owl

Taxonomy: Strix choliba Vieillot, 1817, Paraguay.
Relationships unclear; appears to have no close affinities with any other Otus. Has in past included O. koepckeae and O. roboratus as races, but those both clearly distinct in morphology and/or vocalizations. Several additional races described, probably only morphs or result of individual variation: montanus, kelsoi, alticola, caucae, guyanensis and portoricensis included in crucigerus; caatingensis in decussatus; chapadensis in nominate choliba; alilucoco in wetmorei. Nine subspeci.. View all taxonomy...

Taxonomy: Strix choliba Vieillot, 1817, Paraguay.
Relationships unclear; appears to have no close affinities with any other Otus. Has in past included O. koepckeae and O. roboratus as races, but those both clearly distinct in morphology and/or vocalizations. Several additional races described, probably only morphs or result of individual variation: montanus, kelsoi, alticola, caucae, guyanensis and portoricensis included in crucigerus; caatingensis in decussatus; chapadensis in nominate choliba; alilucoco in wetmorei. Nine subspecies recognized.

Subspecies and Distribution:

  • luctisomus Bangs & Penard, 1921 - Costa Rica to NW Colombia, including Pearl Is.
  • margaritae Cory, 1915 - Margarita I, off N Venezuela.
  • duidae Chapman, 1929 - Duida Mts in S Venezuela.

     See all 9 subspecies
  • luctisomus Bangs & Penard, 1921 - Costa Rica to NW Colombia, including Pearl Is.
  • margaritae Cory, 1915 - Margarita I, off N Venezuela.
  • duidae Chapman, 1929 - Duida Mts in S Venezuela.
  • crucigerus (Spix, 1824) - E Colombia and E Peru across to Venezuela, Trinidad, the Guianas and NE Brazil.
  • suturutus L. Kelso, 1941 - Bolivia.
  • decussatus (Lichtenstein, 1823) - C & E Brazil.
  • choliba (Vieillot, 1817) - S Brazil (S Mato Grosso, São Paulo) to E Paraguay.
  • wetmorei Brodkorb, 1937 - W Paraguay and N Argentina (S to Mendoza, N Buenos Aires and N Río Negro).
  • uruguaiensis Hekstra, 1982 - NE Argentina, SE Brazil (Santa Catarina, Rio Grande do Sul) and Uruguay.

Photos

22 photos
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