adults african banded bands brown burrow burrowing carnivore colonies colony color colors colour colours dig digging diurnal forage foragers foraging fur furry grayish-brown greyish-brown long-tailed mammal mongoose mongooses mungos-mungo muscular omnivores omnivorous pattern patterned patterns pointed-snout pups shelter social socializing striped stripes strong-clawed sturdy warren warrens widespread wildlife beach defence groin ocean protection sand sea seaside splash water