african black-rhinoceros collagen creases critically-endangered Diceros bicornis eating endangered folds food gray grazer grey heavy herbivore herbivorous herbivorous-browser hide hook-lipped-rhinoceros horns keratin large lattice-structured mammal megafauna odd-toed-ungulate offspring perissodactyl placid powerful rhino rhinoceros skin snout southern-white-rhinoceros square-lipped rhinoceros strong surface texture textures thick threatened tough wrinkled wrinkles zoo arid barrel barrel-cactus Cacti cactus clumps clusters coloring colors colouring colours compact covered display dry echinocactus garden garden-display garden-plants globose globular gravel ornamental perennial pointed points pronounced-ribs protection protective ribbed ribbing ribs rocks rocky round shape shaped sharp soft-wooded-perennial spikes spination spines spiny symmetrical symmetry thick-tough-skin to-the-point appearance appetisers appetizers bite-sized bulk chopped up cut displayed edible finger food flavor flavored flavour flavoured h'orderves ham hams horderves hors d'oeuvres meat pork processed processed food processed meat quantity salted salty sausages savory savory sausages savoury savoury sausages selection shapes Sizes sliced smallgoods snack food snacks taste tasty variety various shapes assortment bark blocks boards branches brown chopped chopping cut-wood firewood gray&white-mallee-root-pieces grey&white-mallee-root-pieces half-tank heap heaped heating length lengths logs mallee-roots metal off-cuts perspectives pieces pile piled planks rough sawn shelter sheltered splintering splinters storage stored surfaces timber uneven winter wood wood-scraps wooden woodpile abstract art board circuit-board color colored colour coloured communication components computer connected connecting connections decorated decorative distinctive electrical electricity electronic equipment fusible-metal-alloy gadgetry inside interlinked internal linked links miniature no-longer-in-use outdated part parts patterns permanently-bonded plastic plastics printed-circuits psychedelic-colors psychedelic-colours solder solidify unwanted useless actinidia-deliciosa aroma berry Chinese-gooseberry clingstone cultivars delicate drupes egg-shaped fibrous-skin firm fresh fruit furry healthy jam juicy kernel kiwi-fruit nectarines nutritious peaches pit Prunus prunus-persica red ripe Rosaceae seed smooth-skin stone stone-fruit sweet tree-fruit unusual-fruit whole yellow