“…The tunnels can be used in studies that need presence/absence data or an activity index: inventories, distribution, dispersion, daily activity, and habitat/microhabitat selection, besides ecomorphological studies. If individuals are marked by toe-clipping it is possible to study home range and social behavior (JUSTICE 1961, SHEPPE 1965, BROWN 1969, MARTEN 1972, LIEBERMAN 1973, KING & EDGAR 1977. Morphometrical analyses using footprints could be performed to access intraspecific variations (age, sex and geographic variations).…”