algal-forager amblyrhynchus-cristatus black color colored colors colour coloured colours crest-of-spines forage forager graceful-swimmer heat-absorption Iguana large lethargic lethargy lizard long-sharp-claws marine-iguana marine-reptile reptile reptilian salt salty sea spikes spiky spiky-dorsal-fin subtidal-algae-forager sun-absorption Sunbather animal beautiful beauty blade Camouflage Chameleon change closeup colorimage copyspace crawling creature creeping day exotic exoticism eye field freshness green head herpetology horizon horizontal laziness looking macro meadow nature nobody one outdoors pet photography plan slow staring textured vibrant wheatgrass wildlife yellow young zoology amblyrhynchus America amphibian backgrounds bright close-up dark dragon endangered endemic eyes Galapagos image island islands light monster ocean park portrait pose rock scary scene skin stone texture travel tropical water wild zoo aggressive ancient animated artificial big carnivore danger dino dinosaur dinosaurs display educational entertaining exhibit extinct fearsome fierce figures fossil history huge immobile jurassic life-like make-believe model mouth natural-history powerful prehistoric realistic reconstruction replica reproduction shade shadows shape shaped sunlight sunshine