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Abstract:

We studied the diet of the Burrowing Owl (Athene cunicularia) in two areas with different land use in the central sector of the Monte de Llanuras y Mesetas Ecoregion, La Pampa Province, Argentina: a protected area (Lihué Calel National Park) and an intensively grazed cattle ranch (La Manuela). We identified 1251 prey items, mainly corresponding to Coleoptera, Scorpiones and Rodentia. In both areas the Burrowing Owl was a generalist feeder. The frequency of the different prey items in the diet varied significantly between areas, both during the reproductive and the non-reproductive seasons. However, the mean weight of ingested small mammals and the standardized trophic niche breadth were similar between areas and to those reported for this species in other sectors of the Monte de Llanuras y Mesetas Ecoregion. According to the ingested biomass, the Burrowing Owl behaved as a carnivorous predator during the reproductive season and as carnivorous-insectivorous during the non-reproductive one.

Registro:

Documento: Artículo
Título:Diet of the burrowing owl (Athene cunicularia) in two areas with different land use in south-central La Pampa Province, Argentina
Autor:de Tommaso, D.C.; Callicó Fortunato, R.G.; Teta, P.; Pereira, J.A.
Filiación:Museo Argentino de Ciencias Naturales 'Bernardino Rivadavia', Av. Ángel Gallardo 470, C1405DJR Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pab. 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Asociación para la Conservación y el Estudio de la Naturaleza (ACEN), Barrio Cardales Village, UF 90, Ruta 4 km 5.5, Los Cardales, 2814 Campana, Buenos Aires, Argentina
Palabras clave:Food habits; Monte de llanuras y mesetas; Small mammals; Strigidae; Strigiformes; Athene cunicularia; Bos; Coleoptera; Mammalia; Rodentia; Scorpiones; Speotyto cunicularia; Strigidae; Strigiformes
Año:2009
Volumen:24
Número:2
Página de inicio:87
Página de fin:93
Título revista:Hornero
Título revista abreviado:Hornero
ISSN:00733407
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v24_n2_p87_deTommaso

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Citas:

---------- APA ----------
de Tommaso, D.C., Callicó Fortunato, R.G., Teta, P. & Pereira, J.A. (2009) . Diet of the burrowing owl (Athene cunicularia) in two areas with different land use in south-central La Pampa Province, Argentina . Hornero, 24(2), 87-93.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v24_n2_p87_deTommaso [ ]
---------- CHICAGO ----------
de Tommaso, D.C., Callicó Fortunato, R.G., Teta, P., Pereira, J.A. "Diet of the burrowing owl (Athene cunicularia) in two areas with different land use in south-central La Pampa Province, Argentina " . Hornero 24, no. 2 (2009) : 87-93.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v24_n2_p87_deTommaso [ ]
---------- MLA ----------
de Tommaso, D.C., Callicó Fortunato, R.G., Teta, P., Pereira, J.A. "Diet of the burrowing owl (Athene cunicularia) in two areas with different land use in south-central La Pampa Province, Argentina " . Hornero, vol. 24, no. 2, 2009, pp. 87-93.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v24_n2_p87_deTommaso [ ]
---------- VANCOUVER ----------
de Tommaso, D.C., Callicó Fortunato, R.G., Teta, P., Pereira, J.A. Diet of the burrowing owl (Athene cunicularia) in two areas with different land use in south-central La Pampa Province, Argentina . Hornero. 2009;24(2):87-93.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v24_n2_p87_deTommaso [ ]