Asian Asian-small-clawed-otter bevy bitches carnivorous couch den dogs enclosure family holt insulated-underfur layered-fur lodge long-guard-hairs lutra lutrinae mammal otters playful pups resting romp semiaquatic slim slinking small smallest-otters social webbed-paws zoo Australia blotched blotches brown carnivore color colors colour colours common dark fast forager goanna goulds-goanna goulds-monitor hunter large leathery lizard long-clawed loose-neck-folds loose-neck-skin monitor-lizard patterned predator racehorse-goanna reptile reptilian sand-monitor terrestrial adults african banded bands burrow burrowing colonies colony dig digging diurnal forage foragers foraging fur furry grayish-brown greyish-brown long-tailed mongoose mongooses mungos-mungo muscular omnivores omnivorous pattern patterns pointed-snout shelter socializing striped stripes strong-clawed sturdy warren warrens widespread wildlife