Research overview: desert puma demography and source-sink dynamics

Long-term study of pumas in the deserts of the American Southwest illuminated how these cats persist in arid mountains and how their populations function as sources and sinks. This overview synthesizes findings on home-range size, dispersal, survival, and the resilience of puma populations to removal, showing that well-protected areas produce dispersers that recolonize areas where pumas are killed. It reviews how desert pumas range widely after dispersed prey, how females and males differ in space use, and how human-caused mortality at the edges shapes the system. The synthesis frames the puma population as a dynamic network of births, deaths, and dispersal across the landscape. For enthusiasts it explains how desert pumas endure in harsh, prey-poor mountains, why removing cats from one area draws in animals from another, and how connectivity sustains the species across fragmented arid terrain.