Coexistence of jaguar (Panthera onca) and puma (Puma concolor) in a mosaic landscape in the Venezuelan llanos

摘要: Jaguar Panthera onca and puma Puma concolor are sympatric throughout the jaguar's distribution. Although several studies have focused on interactions between these two predators, ecological behavioural factors that promote their coexistence remain unclear. The goal of this study was to identify those facilitate cats in a mosaic landscape Venezuelan llanos. conducted from January 1996 until November 1998. Five jaguars six pumas were captured radio-collared. A high degree spatial overlap observed pumas, which may be related abundance distribution prey species. At fine scale, there little locations with jaguar locations. Both species more active at night than during daytime, but seasonal differences detected activity levels predators. Major segregation found food habits. Jaguars selected for large medium-sized prey. capybara Hydrochaeris hydrochaeris collared peccary Tayassu tajacu consumed caiman Caiman crocodilus white-tailed deer Odocoileus virginianus less expected. Pumas just also killed It is suggested an factor facilitating area. Habitat heterogeneity another influential leading coexistence. Seasonal probably reflect size taken by cats.