aggressive ancient animal animated artificial big carnivore creature danger dino dinosaur dinosaurs display educational entertaining exhibit extinct fearsome fierce figures fossil history huge immobile jurassic large life-like light lizard make-believe model monster mouth natural-history powerful prehistoric realistic reconstruction replica reproduction reptile reptilian shade shadows shape shaped sunlight sunshine zoo amusement black brontosaur colors mountain nessie object park relic shadow sign silhouette symbol white background color green loch ness machete ocean paper scary sea monster serpent waves wet alligator alligators amphibian caiman crocodile crocodiles everglades Florida gator gators leather predator reptiles scales swamp water wetland wetlands