angry common water monitor lizard malayan monitor water monitor Australia blotched blotches brown carnivore carnivorous color colors colour colours common dark fast forager goanna goulds-goanna goulds-monitor hunter large leathery long-clawed loose-neck-folds loose-neck-skin monitor-lizard patterned predator racehorse-goanna reptile reptilian sand-monitor terrestrial armoured-scales carrion-eaters colored coloured fearsome Indonesian komodo-dragon Komodo-Island-monitor komodo-monitor land-crocodile largest long-sharp-claws natural-chain-mail protected-species rare scavengers serrated-teeth stealthy varanid varanus-komodoensis vulnerable powerful strong claws emerald eye green head jungle leg monitor lizard New Guinea scales varanus zoo ear rest black pair Philippine two water yellow Australian Camouflage carnivorous reptile carrion eater egg-laying goanna fast-moving intelligent patterns powerful tails and claws predatory race-horse goanna resilient rings scavenger scavenging skin speed speedy varanid lizard variations