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...
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.
- 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.
- Least Concern
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A bird in a tree at night, looking around and flying away Intervales State Park, São Paulo, Brazil (ssp choliba)
Josep del Hoyo 30 June 2004 3 years ago 53 sec 4.7 -
A bird in bush, seen with a spotlight at night Chapada dos Guimaraes, Mato Grosso, Brazil (ssp choliba)
Peter Nash 14 September 2005 4 years ago 27 sec 4 -
A perched bird at night Intervales State Park, São Paulo, Brazil (ssp choliba)
Josep del Hoyo 30 June 2004 3 years ago 17 sec 3.9 -
A bird in torchlight with prey Hato Piñero, Cojedes, Venezuela (ssp crucigerus)
Keith Blomerley 25 February 2006 3 years ago 17 sec 3.6 -
Bird on a day roost. Intervales State Park, São Paulo, Brazil (ssp choliba)
Richard Garrigues 26 November 2008 45 weeks ago 13 sec 3.5 -
An adult perched on a branch Central Valley, Costa Rica (ssp luctisomus)
Max Roth 28 February 2001 5 years ago 21 sec 3.5
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Catching insects São Paulo, Brazil
Carlos Henrique 13 March 2010 23 weeks ago 4 -
One individual in a hut. Carmen de Apicalá, Tolima, Colombia
ppochoac 24 May 2009 1 year ago 4 -
Two copies put near the nest. Pérez, Santa Fe Province, Argentina (ssp choliba)
Horacio Luna 26 October 2007 16 weeks ago 3.5 -
One individual hidden in a bush. Sierra San Luis, Falcón, Venezuela
kperezleon 1 January 2005 1 year ago 1.8
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One bird after play-back. Icapuí, Ceará, Brazil
(ssp decussatus)
Ciro Albano 4 April 2009 1 year ago 4
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