zentangle ankylosaurus dinosaur

adult ancient animal ankylosaur ankylosaurus anti antistress archeology art artwork beast black body book bush cartoon coloring contour cretaceous design dino dinosaur doodle drawing era extinct eyes fauna flora foliage fossil freehand head herbivorous illustration jaw jurassic leaf legs life line monochrome monster nature ornament outline page period prehistoric relax spines stress style stylized tail tangle totem trees tribal vector white wild wildlife zen zentangle zoology