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.
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 Enlarge map
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Adult bird at day roost. Locality Aripo Livestock Station, Aripo Valley, Trinidad, Trinidad and Tobago
nigel lallsingh 1 year ago 31 sec 4.2 -
front view looking around, over its left shoulder was a second individual Locality Arrierito Antioqueño Natural Reserve, Anorí, Antioquía Department, Colombia (ssp luctisomus)
Martin Kennewell 20 May 2012 47 weeks ago 52 sec 4 -
A bird at dawn, calling once, but softly. Locality Pepperpot, Paramaribo, Paramaribo District, Suriname (ssp crucigerus)
Pieter de Groot Boersma 30 July 2011 1 year ago 35 sec 4 -
A bird looking around from it's perch at dawn and calling once, but softly. Locality Pepperpot, Paramaribo, Paramaribo District, Suriname (ssp crucigerus)
Pieter de Groot Boersma 30 July 2011 1 year ago 38 sec 4 -
A side profile of a perched bird, looking around at dawn. Locality Pepperpot, Paramaribo, Paramaribo District, Suriname (ssp crucigerus)
Pieter de Groot Boersma 30 July 2011 1 year ago 35 sec 4 -
A bird perched in bamboo at dawn, looking around and eventually flying away. Locality Pepperpot, Paramaribo, Paramaribo District, Suriname (ssp crucigerus)
Pieter de Groot Boersma 30 July 2011 1 year ago 44 sec 4
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(Megascops choliba)
Locality Chiriquí Province, Panama
Octavio Rios 3 January 2010 2 years ago 4 -
Catching insects
Locality São Paulo State, Brazil
Carlos Henrique 13 March 2010 3 years ago 4 -
One individual in a hut.
Locality Carmen de Apicalá, Tolima Department, Colombia
ppochoac 24 May 2009 3 years ago 4 -
A young bird (fledgling) (higher resolution available)
Locality Yacambú National Park, Lara State, Venezuela (ssp crucigerus)
Gustavo A. Rodríguez 7 May 2011 1 year ago 3.8 -
An adult on a branch (higher resolution available)
Locality Yutajé, Amazonas State, Venezuela (ssp crucigerus)
Gustavo A. Rodríguez 20 February 2012 1 year ago 3.8 -
Without flash.
Locality Aripo Livestock Station, Aripo Valley, Trinidad, Trinidad and Tobago
Stanisław Czyz 18 February 2012 1 year ago 3.7
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One bird after play-back. Locality Icapuí, Ceará State, Brazil
(ssp decussatus)
Ciro Albano 4 April 2009 4 years ago 3.3 -
A bird calling during the night. Locality Macas, Morona-Santiago Province, Ecuador
(ssp crucigerus)
Galo Real 20 May 2012 50 weeks ago 3
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