abstract aged aldabra-giant-tortoise aldabrachelys-gigantea appearance armor armored armorment armour armoured armourment brown carapace colors colours contours cover exterior giant-tortoise grooves hard hide horny-plates layers leathery lined lines longevity old outlines pointed points protection protective reptile reptilian shell shelter size skin solid strength strong texture textured textures tortoise tough zoo african antler-like horns bark blotched blotches branch browsers camelopard coat coloring colouring creamy lines eating feeding giraffe grip gripping head herbivore herbivorous horns knobs large long-legged long-necked long-tongued mammal megafauna mottled ossicones ossified-cartilage patches patterned rectangular-spots rothschild's-giraffe ruminant strong-tongue tallest tongue antler-like-horns browser dark design hair image light nature pattern patterns rectangular spots rothschild's giraffe strong-tongued wallpaper white Australia Australian Australian-sleepy-lizard banded bands blue-tongue blue-tongued-lizard blue-tongued-skink blueys body-flattening bogeyes crawling creature dark-streaked distinctive diurnal eyes fauna ground-foraging large-headed lizard omnivore omnivorous reptilia sedentary Skink skink-species slow-moving striped stripes sturdy terrestrial tiliqua-multifasciata tough-hide viviparous-skink wildlife Australian-freshwater-crocodile backstraps bony-ridges crocodile crocodylus-johnsoni danger dorsal-surface exotic fresh-water-crocodile freshie Johnstone's-crocodile leather lethargic opportunistic opportunistic-predator osteoderms powerful predator ridges rough rugged scales scutes semi-submerged tail tail-scutes territorial age astrochelys-radiata Camouflage critically-endangered large-tortoise Madagascar mixed-light patchy plod plodding radiated-tortoise scaly shade shadows slow sunlight sunshine basking bony ridges crocodilian crocodylus-johnstoni dangerous hornback Johnston's-crocodile