Ecologists are interested in studying the factors that affect the abundance of a species. Disturbances, such as avalanches, could affect the populations of small mammals. Live trapping has been a traditional method to study abundances of small mammals; however, it has some downsides. A new, non-inva

Social behaviour was proposed as a density-dependent intrinsic mechanism that could regulate an animal population by affecting reproduction and dispersal. Populations of the polygynous yellow-bellied marmot (Marmota flaviventris) fluctuate widely from year to year primarily driven by the number of w