Dieta del zorro andino Lycalopex culpaeus (Molina, 1782) (Mammalia: Carnivora: Canidae) en la Reserva Ecológica Los Ilinizas, Ecuador
Open accessAbstract
El zorro andino Lycalopex culpaeus (Molina, 1782) es el cánido andino de mayor tamaño en Ecuador. Para esta especie, el conocimiento de los aspectos asociados a su dieta es muy escaso en el país, con muy pocos estudios para las poblaciones del norte. En este estudio, se analizaron 205 muestras de heces de L. culpaeus colectadas, durante noviembre-diciembre de 2016, en un sendero turístico de la Reserva Ecológica Los Ilinizas, la cual está localizada en la cordillera occidental de los Andes ecuatorianos y es representativa de un ecosistema típico de páramo. Se determinaron en total 657 ítems-presa, agrupados en 35 taxones, predominando en frecuencia los mamíferos (48,1%) y las plantas (37,9%). En menor proporción se observaron ítems asociados a grupos de invertebrados (11,6%), aves (1,5%) y reptiles (0,9%). Adicionalmente, se observó que los mamíferos aportaron la mayoría de la biomasa (98,2%) a la dieta del zorro andino para esta localidad, siendo el conejo Sylvilagus andinus la presa más importante tanto en términos de frecuencia (26,1%) de ítems, como en aporte de biomasa (95,5%). Estos resultados, reportando a los mamíferos como la principal fuente de alimento para L. culpaeus, coinciden con trabajos previos realizados en la región. La alta frecuencia de plantas sin frutos en las heces colectadas puede estar asociada al consumo accidental durante la depredación activa de mamíferos-presa. No obstante, considerando que las plantas pueden ser ingeridas intencionalmente como fuente de fibra por L. culpaeus, se requiere de la continuación de este tipo de estudios para incrementar nuestro entendimiento sobre los patrones ecológicos de la especie.
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The diversity of prey identified in this sample was lower compared to studies from Ecuador, where lizards, birds, fruits, and larger mammals such as carnivores, rabbits, and ungulates have been documented.
“However, diversity of prey identified in our sample was lower compared to studies from Ecuador, where lizards, birds, fruits, and larger mammals such as carnivores, rabbits, and ungulates have been documented (Beltrán-Ortiz et al. 2017;Guntiñas et al. 2017;Cadena-Ortiz et al. 2020).”
From The Andean fox Lycalopex culpaeus (Molina, 1782) in southwestern Colombia: diet and anatomical description (2026) · cites this paper as Cadena-Ortiz et al. 2020
Table 1 (indexed under Abstract; page unavailable) documents a lizard, birds, fruit-bearing plants, and the rabbit Sylvilagus andinus in this Ecuadorian study. It does not document carnivores or ungulates among the identified dietary items. The comparison with the citing authors’ own sample cannot be assessed from this source. (LLM, conf=0.87)
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Research works printed but not linked: 4
- Jaksić FM, Schlatter RP & Yáñez JL. 1980. Feeding ecolo- gy of central Chilean foxes, Dusicyon culpaeus and Dusicyon griseus. Journal of Mammalogy 61: 254-260.
- Johnson WE & Franklin WL. 1994. Spatial resource partition- ing by sympatric grey fox (Dusicyon griseus) and culpeo fox (Dusicyon culpaeus) in southern Chile. Canadian Journal of Zoology 72: 1788-1793.
- Salvatori V, Vaglio-Laurin G, Meserve PL, Boitani L & Cam- panella A. 1999. Spatial organization, activity, and social interactions of culpeo foxes (Pseudalopex culpaeus) in north- central Chile. Journal of Mammalogy 80: 980-985.
- Seber GA & Lee AJ. 2012. Linear regression analysis. John Wiley & Sons, New Jersey, USA.
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Rosero-Taramuel, J. L., Arboleda-Osorio, J. J., Guerrero-Diaz, A. F., Jimenez Anacona, F. D., Matabanchoy-C, K., Pisso-Florez, G. A., & Ramírez-Chaves, H. E. (2026) · Notas sobre Mamíferos Sudamericanos · doi:10.31687/saremnms26.1305
- Authors
- Cadena-Ortíz, H., Ordóñez-Pozo, C., Freire, E., & Brito, J.
- Affiliations
- National Biodiversity Institute (CR)
- Central University of Ecuador (EC)
- Venue
- Ecotropicos
- Publisher
- Sociedad Venezolana de Ecologia
- Published
- 2020-05-11
- Volume
- 32
- ISSN
- 1012-1692 (ISSN-L)
- 2521-9707
- OpenAlex
- W4407679619
- Cited by
- 9
- References
- 0
- Citations by year
- 2026: 7 · 2025: 2
- FWCI
- 0.00
- Type
- journal article
- Language
- es
- Open access
- diamond
- doi.org
- Locations
- Ecotropicos (publishedVersion, cc-by)
- Funders
- Ministerio del Ambiente, Agua y Transición Ecológica (04-16 IC-FAU-FLO-DPAC/MA)
- Topics
- Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
- Physical Sciences › Environmental Science › Ecology › Animal Ecology and Behavior Studies
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Plant and animal studies
- Keywords
- Lycalopex culpaeus, Andean fox, diet, fecal analysis, prey composition, Parma, Andean páramo, Andes, carnivore feeding ecology, plant consumption
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