The Food Habits of Sympatric Jaguar and Puma in the Paraguayan Chaco

摘要: Food habits of jaguar and puma were studied in two regions the Paraguayan Chaco. Biochemical analysis 280 scats attributed 106 to 95 puma. Overall dietary overlap was 65 percent they shared six seven main prey types. For both cats 43 items 15 biomass taken mammal species kg, 23 29 from 1–15 27 53 larger species. Birds, reptiles, insects made up remainder. In a developed region no significant differences between their diets found, while an undeveloped area more small mammals by species, took large than The potential roles competition habitat structure availability areas on these species’ are discussed. RESUMEN Se estudiaron los habitos alimenticios de y en dos regiones del Chaco paraguayo. A traves un analisis bioquimico heces se asignaron La superposicion trofica total fue por ciento compartieron 6 7 presa principales. Para ambos gatos las especies mamiferos < 1 kg fueron el la biomasa presas consumidas, heron mayores. El resto aves, reptiles e insectos. En una desarrollada encontraron diferencias significativas entre dietas, mientras que ambas consumieron mas pequenos jaguares grandes Se discuten posibles dieta estas competencia estructura habitat, disponibilidad areas.