Australian fauna blue tongue bobtail lizard reptile scaly skin sticking tongue out tongue tough hide Australia Australian Australian-sleepy-lizard blue-tongue blue-tongued-goanna blue-tongued-skink bobtail-goanna bogeyes crawling creature eyes fauna goanna heavily-armored-body mottled omnivore scaly scaly-skin shingleback short-tailed Skink slow-moving stump-tailed-skink stumpy-tail tiliqua-rugosa tough-hide viviparous-skink wildlife open-mouthed banded bands blue-tongued-lizard blueys body-flattening dark-streaked distinctive diurnal ground-foraging large-headed omnivorous reptilia sedentary skink-species striped stripes sturdy terrestrial tiliqua-multifasciata lapping milk saucer close ground ground-level head gravel