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Gayana (Concepción)

Print version ISSN 0717-652XOn-line version ISSN 0717-6538

Abstract

GUZMAN-SANDOVAL, Jonathan; SIELFELD, Walter  and  FERRU, Marcos. DIET OF LYCALOPEX CULPAEUS (Mammalia: Canidae) IN NORTHERNMOST CHILE (TARAPACA REGION). Gayana (Concepc.) [online]. 2007, vol.71, n.1, pp.1-7. ISSN 0717-652X.  http://dx.doi.org/10.4067/S0717-65382007000100001.

We analyzed 22 feces of Lycalopex culpaeus collected during September, 1996 at the fog oases Alto Chipana, located in the coast of Tarapacá Region (Chile) 130 kilometers to the south of Iquique. The incidence of four main food items (mammals, birds, reptiles and arthropods) according to their frequency of occurrence (%F) and the abundance (%N) were considered. In Altos de Chipana, Lycalopex culpaeus preyed mainly on arthropods, with an abundance of 88.8% and a frequency of 72.7%, secondarily on lizards (N: 6.6%; F: 41%), followed by micromammals (N: 4.6%; F: 36.4%), and finally birds (N: 3.6%: F: 31.8%). The presence in the feces of the reptile Microlophus sp. and the rodent Phyllotis darwini indicates that L. culpaeus from Alto Chipana is a day and night predator. It accommodates its habits to the available offert, and uses the arthropod as its principal food items.

Keywords : Lycalopex culpaeus; food habits; fog oases; Altos de Chipana; Chile.

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